Leaders of Egypt's Muslim Brotherhood exiled in Qatar will leave the Gulf country after it came under enormous pressure to cut support for the Islamist group, a Brotherhood official said.

Amr Darrag, a leader of the Brotherhood's political arm, the Freedom and Justice Party, said several members were relocating to "spare Qatar embarrassment", in a statement posted on his Facebook page late Friday.

An Austrian court has lifted a freeze on the assets of the wife of a former U.S. ambassador to Afghanistan and Iraq, imposed during a money-laundering probe, officials said Friday.

Libyan Prime Minister Abdullah al-Thani acknowledged Wednesday that the UAE has arrested seven Libyans, after reports that the Gulf state has detained 30.

"Only seven people" were being held in the United Arab Emirates, Thani told reporters in Abu Dhabi.

The trial began in the UAE on Monday of 15 Islamists charged with joining and financing Syria's al-Qaida franchise and a rebel group there, the official WAM news agency said.

Eleven of the defendants, whose nationalities were not disclosed, appeared at a first hearing before the Federal Supreme Court in Abu Dhabi, WAM said.

The United Arab Emirates voiced readiness Wednesday to back world efforts to confront the threat from jihadists, amid calls by Western powers for an international fight against the Islamic State. 

The UAE affirms "its solidarity with regional and international efforts against terrorist threats... and its readiness to take needed measures to confront this phenomenon in line with U.N. Security Council Resolution 2170," its foreign ministry said.

Interior Minister Nouhad al-Mashnouq has been invited to the Gulf Cooperation Council's interior ministers' meeting scheduled to be held in Doha next week, al-Akhbar newspaper reported on Tuesday.

Al-Mashnouq will be the “guest of honor” in the meeting that would also be attended by five cabinet ministers from the GCC countries, the daily said.

Pro-Islamist Libyan media on Monday reported that some 30 Libyans were arrested in the United Arab Emirates following air raids which U.S. officials said were carried out last month by the UAE against Islamist targets in Libya.

Media, including television channel An-Nabaa, said among those arrested were businessmen with long-standing ties to the UAE, including some from Misrata.

The United Arab Emirates and Egypt secretly bombed Islamist militia in Libya, apparently catching Washington off guard, as turmoil in the North African country deepened with the Islamists naming a rival premier.

The U.S. government said on Tuesday that the UAE and Egypt were behind last week's two deadly night raids on Islamist positions near Tripoli airport.

Egypt Tuesday denied any "direct" role in air raids on Islamist positions in Libya, after U.S. officials said the United Arab Emirates carried out the strikes from bases in Egypt.

"We have no direct tie to any military operation in Libya," Foreign Minister Sameh Shoukri told journalists in Cairo.

UAE air strikes on Libya aim to prevent Islamists from controlling the violence-stricken country and sends a message to Washington that it is capable of protecting its own interests, experts say.

United States officials said that United Arab Emirates warplanes secretly bombed Islamist militia targets in Libya from bases in Egypt last week, but Abu Dhabi has not publicly acknowledged involvement. On Tuesday, Egypt denied any "direct" role in the raids.