Sri Lanka bombings
Mohamed Zahran, the leader of local militant group National Towheed Jamaat, was known for his vitriolic extremist speeches on social media.
Eighteen suspects were arrested overnight, raising the total detained to 58.
The right-wing network's personalities are livid over two words used by the former president and former secretary of state.
Officials said the death toll from Sunday's attacks had risen to 321.
Minutes later the supposedly grief-torn president tweeted he's "never been happier or more content" as he bragged about the U.S. economy.