Gunmen attack US embassy convoy in Nigeria, leaving four dead.

Gunmen attacked a US Embassy convoy in southeast Nigeria, killing four people, including two local workers and two policemen. The convoy included nine Nigerian nationals, including five employees of the US Mission to Nigeria and four members of the Nigeria Police Force. There is no indication that the attack was directed at the US, and no US citizens were involved. The motive behind the attack is unclear, and the US State Department is working with Nigeria's security agencies to investigate.