World Bulletin / News Desk
Erian, the deputy leader of the Brotherhood's Freedom and Justice party, was taken into custody from a residence in New Cairo where he had been in hiding.
"Yes, he's been arrested and details will soon be released," the source told Reuters.
The state news agency MENA said Erian was arrested in New Cairo but gave no further details.
Local media circulated a photo of what they described as the moment he was arrested, showing a smiling Erian standing next to a bed with two packed duffle bags.
The Muslim Brotherhood Group was banned and many of its leaders have been detained and charged with inciting violence since the army, prompted by mass protests, deposed president Mohamed Morsi on July 3.
The Revolutionary Guard is an elite force separate from the regular army, and is charged with defending the Islamic Republic.
Syrian rebel fighters began an operation on Tuesday to capture a town held by ISIL at the Iraqi border
Non-governmental groups have written to UN chief Ban Ki-Moon saying that peace talks meant little when there was a increasing death toll in Syria
Egyptian investigators confirmed the aircraft had made a 90-degree left turn followed by a 360-degree turn to the right before hitting the sea.
Clashes between Kurdish rebels and Iran’s elite Revolutionary Guards killed over a dozen near the Iraqi border.
Move comes one day after village near border with Syria is rocked by spate of suicide bombings
35 ISIL targets struck in northern Syria, say Turkish security officials
Suicide bombers posing as Iftar distributors kill at least 38 Yemeni soldiers and injure 24 in Yemen's southeast.
Normalized ties between Ankara, Tel Aviv will improve blockaded Gaza’s humanitarian situation, Israeli PM asserts
35 Palestinian worshippers injured in Monday clashes with Israeli police, Al-Aqsa Mosque director says
Cairo to open Rafah border crossing for five days, from Wednesday to Monday barring Friday
- Foreign Ministry says description of 1915 events as genocide amounts to 'religious discrimination'
Weapons sent to Syrian opposition by US and Saudi governments stolen by Jordanian intelligence operatives, sold on black market, according to American and Jordanian officials
Prime Minister Benjamin Netanyahu said Israel's naval blockade of Gaza will remain in force after the deal is signed.
Israeli PM Netanyahu says deal for normalization of relations between Ankara and Tel Aviv would have enormous impact on Israeli economy