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.
Kuwait also ordered the closure of the Iranian "military, cultural and trade" missions, said the government official, who asked not to be named.
Viral videos show Saudi prince physically and verbally assaulting at least 4 residents in capital Riyadh
Last week, Iraq formally declared victory over ISIL in Mosul
Sinai Peninsula has remained the epicenter of deadly militant insurgency since 2013
Talks are expected to tackle cooperation on fighting ISIL
The interior ministry said the two militants killed in New Cairo were senior members of the Hasam group -- an extremist movement the government accuses of links to the outlawed Muslim Brotherhood.
Prime minister denies cooperation with Syrian regime over planned operation around Juroud Arsal
UN agency says capital Sanaa among provinces hardest-hit by the disease
The measure, which goes into effect on Thursday, will not include spouses of Egyptians or university students who will be granted tourist visas on arrival, foreign ministry spokesman Ahmed Abu Zeid said.
Last month, four Arab states imposed a blockade on Qatar, accusing Doha of supporting terrorism
Parliament approves extension of troops for the period between Sept. 5, 2017, and Oct. 31, 2018
The Washington Post says UAE orchestrated hacking of Qatar's state-run news and social media sites
High-ranking military, scientists listed over targeting of civilians
A news report said six countries asked FIFA to remove Qatar as World Cup hosts