Photos: Apartment explosion in Silver Spring

Parallel operations continue at the Flower Branch apartments in Silver Spring: a search and recovery for the remains of residents as well as any clues indicating the cause and origin of the explosion that ripped through the complex in the late-night hours of Aug. 10. (WTOP/Megan Cloherty)

Crews with canine unit focus on a corner of the Flower Branch apartments in Silver Spring, Maryland. An explosion and fire tore through the apartment complex in the late night hours of Aug. 10. At least five people died in the blast, police said Aug. 14. (WTOP/Megan Cloherty)

Crews hauling away charred pieces of building this morning at the Silver Spring explosion site. #wtop pic.twitter.com/P8qXGMHasJ
— Nick Iannelli (@NickWTOP) August 15, 2016

(WTOP/Megan Cloherty)

Arliss St - MCFRS TRT, FEI are joined by ATF NRT to stabilize bldg for recovery & cause/origin investigation pic.twitter.com/EFY26XkvE1
— Pete Piringer (@mcfrsPIO) August 13, 2016

(WTOP/Megan Cloherty)

A third body was found on Friday, Aug. 12 in the rubble caused by a fire and explosion in a Silver Spring apartment complex. (WTOP/Dennis Foley)

Flowers left outside of the the Flower Branch apartments after an explosion and fire destroyed the building and left at least three people dead. (WTOP/Dennis Foley)

Recovery, clean-up and investigation continue on Saturday, Aug. 13 after the Silver Spring fire and explosion. (WTOP/Dennis Foley)

Crews use a crane to clear wreckage at the Flower Branch Apartments in Silver Spring. (WTOP/Nick Iannelli)

Emergency personnel clear items from an apartment building following a fire in Silver Spring, Md., Thursday, Aug. 11, 2016. At least two people died and dozens, including three firefighters, were injured after an explosion and large fire at the apartment complex. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

People view the scene of an apartment building fire in Silver Spring, Md., Thursday, Aug. 11, 2016. At least two people died and dozens, including three firefighters, were injured after an explosion and large fire at the apartment complex. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

A chain link fence surrounds the site of the fire and explosion at the Flower Branch Apartments. (WTOP/Nick Iannelli)

The wreckage of the FLower Branch Apartments buildings that burned and exploded on Wednesday. (WTOP/Nick Iannelli) — The wreckage of the Flower Branch Apartments buildings that burned and exploded on Wednesday. (WTOP/Nick Iannelli)

The wreckage of the Flower Branch Apartments buildings that burned and exploded in August 2016. (WTOP/Nick Iannelli) — The wreckage of the Flower Branch Apartments buildings that burned and exploded on Wednesday. (WTOP/Nick Iannelli)

People view the scene of an apartment building fire in Silver Spring, Md., Thursday, Aug. 11, 2016. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

People view the scene of an apartment building fire in Silver Spring, Md., Thursday, Aug. 11, 2016. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

Emergency personnel view the scene of an apartment building fire in Silver Spring, Md., Thursday, Aug. 11, 2016. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

The scene of an apartment building fire in Silver Spring, Md., Thursday, Aug. 11, 2016. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

Emergency personnel view the scene of an apartment building fire in Silver Spring, Md., Thursday, Aug. 11, 2016. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

The scene of an apartment building fire in Silver Spring, Md., Thursday, Aug. 11, 2016. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

Emergency personnel clear out a basement room of an apartment building following a fire in Silver Spring, Md., Thursday, Aug. 11, 2016. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

Emergency personnel clear out a basement room of an apartment building following a fire in Silver Spring, Md., Thursday, Aug. 11, 2016. (AP Photo/Susan Walsh)

AP Photo/Susan Walsh

Emergency personnel investigate the inside of an apartment building following a fire in Silver Spring, Md., Thursday, Aug. 11, 2016. At least two people died and dozens, including three firefighters, were injured after an explosion and large fire at the apartment complex. (AP Photo/Susan Walsh)

A man looks at the Flower Branch apartments in Silver Spring, Maryland, on Thursday, August 11, 2016, the day after a deadly fire swept through the building. (WTOP/Kate Ryan) — A man looks at the Flower Branch apartments in Silver Spring, Maryland, on Thursday, Aug. 11, 2016, the day after a deadly fire swept through the building. (WTOP/Kate Ryan)

Silver Spring Fire — Signs are posted to help those who were affected by the fire at the Flower Branch Apartments in Silver Spring, Maryland. (WTOP/Kate Ryan)

Bags of essential items are given to families affected by the Flower Branch apartment fire in Silver Spring. (WTOP/Kate Ryan)

The view from a nearby parking lot on Thursday, Aug. 11, 2016, shows the damage from an explosion and fire at the Flower Branch Apartments in Silver Spring, Maryland. (WTOP/Kate Ryan)

Photo shows Flower Branch apartment explosion in Silver Spring — The view from a nearby parking lot on Thursday, Aug. 11, 2016, shows the damage from an explosion and fire at the Flower Branch Apartments in Silver Spring, Maryland. (WTOP/Kate Ryan)

One of the Flower Branch apartment buildings in Silver Spring devastated by an explosion and fire. (Photo courtesy Peter Piringer/Montgomery County Fire & Rescue)

Residents look on as crews continue to work in Silver Spring, Maryland. (WTOP/Keara Dowd)

More scenes from the fire on Piney Branch Road. (Prince George' County Fire and EMS/Marc Bashoor) — More scenes from the fire on Piney Branch Road. (Prince George’ County Fire and EMS/Marc Bashoor)

Prince George's County Fire/EMS has been called to assist Montgomery County firefighters. (Prince George's Fire/EMS/Marc Bashoor) — Prince George’s County Fire/EMS has been called to assist Montgomery County firefighters. (Prince George’s Fire/EMS/Marc Bashoor)

The aftermath of the explosion and fire at the Flower Branch apartment complex. (WTOP/Dennis Foley)

The scene at the fire on Piney Branch Road, in Silver Spring, at about 6:30 a.m. Thursday, Aug. 11, 2016. (WTOP/Dennis Foley)

Another view of the damage after an apartment explosion and fire in Silver Spring Thursday, Aug. 11, 2016. (WTOP/Dennis Foley)

Fire Chief Scott Goldstein says the scene is being treated as a rescue operation, with "potentially unaccounted for victims." (WTOP/Nick Iannelli) — Fire Chief Scott Goldstein says the scene is being treated as a rescue operation, with “potentially unaccounted for victims.” (WTOP/Nick Iannelli)

A door was blown across the street in a fire and explosion on Piney Branch Road. (WTOP/Nick Iannelli)

A Piney Branch Road apartment was engulfed in flames in a blast Wednesday night in Silver Spring, Md. Montgomery County Fire and Rescue Service released recordings of 911 calls made during the fire Friday. (WTOP/Keara Dowd) — A spokesman with Montgomery County Fire and EMS reported that more than 160 fire and rescue workers are at the scene of an apartment building fire in Silver Spring, Maryland, at around 1 a.m. Thursday. (WTOP/Keara Dowd)

Smoke rising from explosion in Silver Spring. #WTOP pic.twitter.com/1Ph7h1pWZ3
— Nick Iannelli (@NickWTOP) August 11, 2016

(WTOP/Keara Dowd)

Smoke still clouds the sky around 1:22 a.m. Thursday as firefighters work to control an apartment fire building in Silver Spring, Maryland. (WTOP/Keara Dowd)

Company 2 among many units working on Piney Branch Road, an apparent explosion in multiple apartment buildings. pic.twitter.com/9wf0KpKGPR
— Takoma Park VFD (@tpvfd) August 11, 2016

(WTOP/Keara Dowd)

I'm at three-alarm fire in #SilverSpring. Eyewitness just gave me this video. Multiple people injured @ABC7News pic.twitter.com/HaxWvJShJt
— Kevin Lewis (@ABC7Kevin) August 11, 2016

(WTOP/Keara Dowd)

8600 Blk Piney Branch Road images pic.twitter.com/8SL5EADAOp
— Dee Howard Richards (@mcfrsPIO3) August 11, 2016

(WTOP/Keara Dowd)

Tragic explosion and fire on Arliss in Long Branch. mcpd mcfrs on scene. Called HHS. OEMHS responding now. pic.twitter.com/mcWZWRRroG
— Tom Hucker (@tomhucker) August 11, 2016

(WTOP/Keara Dowd)