Osama bin Laden is dead, sources say

A senior U.S. official tells CNN that Osama bin Laden was killed by the U.S. forces in a mansion outside the Pakistani capital of Islamabad along with other family members.

Congressional and administration sources say U.S. officials have the body of bin Laden. Further details around his death were not immediately available.

U.S. President Barack Obama is expected to address the nation shortly.

CNN's Ed Henry contributed to this report