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.
Joint statement issued after foreign ministers' meeting voices 'unequivocal' opposition
Three years ago, Shia Houthi militia group and their allies overran much of the country, including the capital
Families will be allowed into the King Fahd stadium in Riyadh, used mostly for football matches, and seated separately from single men to mark the kingdom's 87th National Day this weekend.
Despite PKK’s terror campaign in Turkey, US continues to supply PYD – the PKK’s Syrian affiliate – with weapons
Three high-level Catalan politicians reportedly detained in attempts to block 'illegal' independence referendum
Sisi emphasised the importance of "resuming negotiations between the Israeli and Palestinian sides to reach a comprehensive solution," the statement said.
Decision would ‘yield no results for the United States', Iranian president says
Israeli media reported that it had fired a Patriot missile. No casualties or damage were reported.
KRG's economic clout, driven by oil revenue, could be at risk if Turkey objects to independence vote, energy expert says
7 others also injured in attack on village in northwestern Idlib province
84 percent of 1,980,510 people internally displaced for over a year, UNHCR says
Talking to Ismail Haniyeh, Mahmoud Abbas praises 'atmosphere of compromise' in Palestine after deal between Hamas and Fatah
He hit out at the US envoy to the United Nations, Nikki Haley, for making a "host of unjustifiable, peculiar demands" in talks with IAEA chief Yukiya Amano in Vienna last month.
The request to block Al Jazeera's Snapchat presence in the kingdom was made before the weekend, the company told AFP.
The soldier carried out the killings "suddenly and without the consent of his colleagues" during an interrogation on Saturday, the source said.
A local official told AFP the coalition air raid hit a vehicle carrying the 12 civilians on Saturday in Hareeb Al-Qarameesh in Marib province, about 70 km (43 miles) northeast of Sanaa.