FBI to Face Questions From Congress Over Handling of Information on Tamerlan Tsarnaev

Questioned Tsarnaev in 2011 after the Russian government raised concerns

US security officials are to face questions in Congress over whether they mishandled information about Boston bombing suspect Tamerlan Tsarnaev.

They will brief the Senate Intelligence Committee in a closed hearing, after some Congress members accused the FBI of failing to act on Russian concerns.