Today in History, April 16: Virginia Tech massacre
Highlights of this day in history: Tenth anniversary of the Virginia Tech shooting: Gunman kills 32 students and faculty; Country's deadliest industrial accident in Texas; Vladimir Lenin returns to Russia after years of exile; Charlie Chaplin born; Prince Andrew and Duchess of York announce divorce; Rolling Stone release debut album; Michael Jordan plays last NBA game. (April 16)
A senior U.S. official says the U.S. has concluded Russia knew in advance of Syria's chemical weapons attack last week. The official says a Russian-operated drone flew over a hospital while victims arrived and tried to cover up the attack. (April 10)