Fox News' Greg Palkot reports the latest on the war in Ukraine four years after the Russian invasion began. An unidentified assailant detonated an explosive device next to a patrol vehicle in Moscow on Tuesday, killing himself and a police officer in an apparent suicide bombing, according to The Associated Press.

Images showed interior of Moscow home where Kaylee Goncalves, Madison Mogen, Xana Kernodle and Ethan Chapin were killed in 2022 NEWYou can now listen to Fox News articles.