Double suicide bombings kill 37 on Moscow subway

Two female suicide bombers blew themselves up

MOSCOW — Two female suicide bombers blew themselves up on Moscow's subway system as it was jam-packed with rush-hour passengers Monday, killing at least 37 people and wounding 102, officials said.

The head of Russia's main security agency said preliminary investigation places the blame on rebels from the restive Caucasus region that includes Chechnya, where separatists have fought Russian forces since the mid-1990s.