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.
Defendants charged with involvement in two high-profile assassination attempts last year, judicial source says
Strikes 'were a result of continued coordination with Turkey', U.S.-led coalition says
At the Paris conference, some 70 countries affirmed their support for a two-state solution that would see a state of Palestine co-existing alongside Israel.
UN envoy Nickolay Mladenov delivered the warning to the Security Council, which met for the first time since the adoption of a contentious resolution demanding an end to Israeli settlements.
Suspect is believed to have recruited suicide bombers for notorious extremist group
Iraqi officials slammed Bahrain’s execution on Sunday of three men convicted of killing policemen two years ago
116 ISIL targets also destroyed as part of Turkish-led Operation Euphrates Shield
3 others wounded in attack on security checkpoint, health ministry says
Army launched wide-ranging campaign last month aimed at recapturing parts of Yemen’s southern Shabwah province
Aid campaign run by Turkish Red Crescent draws large attention at home and abroad
OPEC and non-OPEC oil producing countries agreed to cap production from January 1 to end a global glut that has hammered prices, but doubts remain about implementation before data is released at the end of the month.
The government of President Abdel Fattah al-Sisi had appealed against a lower court ruling in June that found the controversial border demarcation agreement was illegal.
Yemen's Saudi-backed government rejected earlier peace plan proposed by envoy
At least 180 ISIL targets also destroyed as part of Turkish-led Operation Euphrates Shield, Turkish military says
US, Jordan, Saudi Arabia declare support for Operation Euphrates Shield
A suspect hoax has forced an emergency landing in Kuwait by Eurowings