A member of a pro-Russian self-defense force takes down a Ukrainian Navy flag, left, as another raises the Russian flag at the Ukrainian Navy headquarters in Sevastopol, Crimea on Wednesday, March 19, 2014. (AP Photo/Andrew Lubimov)

Photos: A week of Top AP photos

This week's collection includes a member of a pro-Russian self-defense force taking down a Ukrainian Navy flag as another raises the Russian…