DUBAI, United Arab Emirates (AP) -- More than six months ago, Dr. Mahmoud al-Jaidah was asked to step out of line as he transited through Dubai en route home to Qatar. He has been held ever since, allowed to visit his family once a month after a blindfolded trip from an undisclosed detention facility.
UAE authorities have given no public statements on the case. But the family of the 52-year-old doctor has no doubt why he was detained: He has been caught up in the escalating pressures across the Western-backed Gulf states against the now-battered Muslim Brotherhood and its perceived Islamist allies.
The crackdowns in the Gulf began more than a year before the Muslim Brotherhood's political collapse in Egypt this July, but now they take on wider regional implications, meshing with the campaign of arrests by Cairo's new military-protected leadership against the Brotherhood.
The Egyptian military's ouster of President Mohammed Morsi on July 3 further emboldened the UAE and other Gulf states to step up arrests of suspected Brotherhood supporters, whom they see as a threat to the Gulf's tightly run fraternity of monarchs, sheiks and emirs.
And in turn, several Gulf countries have stepped up as critical sources of cash for Egypt's new military-backed leadership as it cracks down on Morsi's Brotherhood. The UAE, Saudi Arabia and Kuwait have promised Cairo $12 billion in aid. Several thousand Brotherhood members and other Islamists have been arrested in Egypt since Morsi's fall.
"The Gulf states and Egypt are now bonded together in the belief of the Muslim Brotherhood as their common enemy," said Christopher Davidson, an expert in Gulf affairs at Britain's Durham University. "This is a powerful alliance."
The Gulf's rulers have long considered the Brotherhood as a danger. In Saudi Arabia, for example, the Brotherhood's version of political Islam is seen as a challenge to the country's monarchy backed by the strict Wahhabi interpretation of Islam. The group is also seen as part of the wave of Arab Spring upheavals, which so far Gulf rulers have ridden out, though not without clampdowns on social media and other tools of budding political opposition.
Now, Gulf officials have become fearful of anything that could serve as potential footholds for the Brotherhood. In rhetoric at least, the group has begun to replace Iran as the most worrisome threat in the eye of many officials. The exception is Qatar, which has cultivated the Brotherhood regionwide and strongly backed Morsi.
In July, Dubai's police chief, Lt. Gen. Dahi Khalfan Tamim, warned of an "international plot" by the Brotherhood to undermine Gulf leaders and expropriate the region's huge riches. Last week, he posted a Twitter message directed at the Brotherhood and its backers: "You must know that everyone from the ocean to the Gulf hates you."
"My father is a victim of this kind of this paranoid thinking," said Hasan al-Jaidah, the son of the detained doctor. "My father's political views are of no threat to anyone. He is no radical or seeking to overthrow anyone. What are the charges? What are they claiming he did?"
Al-Jaidah's family claims he has no active role with the Brotherhood and says he worked as the assistant manager of medical services for state-run Qatar Petroleum.
The accusations against others have been severe: Seeking to topple the UAE's ruling families.
In early July, 69 people -- including a cousin of one of the UAE's ruling sheiks -- received prison sentences of up to 15 years after being convicted of links to an Islamist group, Al-Islah, suspected of ideological ties to the Brotherhood. Some of those jailed launched a hunger strike more than a month ago, alleging abuses behind bars.
At least three people have been taken into custody for social media posts about the trial, said the press freedom group Reporters Without Borders. One of them, blogger Waleed al-Shehhi, has been held since May.
The UAE also says it's planning another high-profile trial against 30 Egyptian and Emirati suspects for alleged coup plots linked to the Brotherhood.
This is in addition to ongoing arrests such as al-Jaidah's.
The doctor has been allowed to see family members once a month since he was detained Feb. 26, said his son Hasan. His father is brought blindfolded to the meeting spot in Abu Dhabi, not knowing where he is being held.
"We have no privacy at all with him," said Hasan. "Security officials are sitting right there at the table with us."
Last month, a Dubai-based Egyptian journalist, Anas Fouda, claimed he was held in a secret UAE prison for a month on suspicion of Brotherhood ties. Fouda was deported and now lives in Qatar.