Two police officers were shot in Ferguson on Thursday morning during a protest after the police chief announced his resignation. The officers, one from the St. Louis County Police force and the other from the Webster Groves department, are expected to survive. No one is in custody for the shootings, but St. Louis County Chief of Police Jon Belmar said he believed the gunman has “anunfortunate association with” the protests. This is really an ambush,” Belmar said. “You’re defenseless.” The two officers were treated and released from Barnes Jewish Hospital, the St. Louis County Police confirmed. Demonstrators held a candle light vigil Thursday before staging another protest outside police headquarters. President Obama addressed the shooting onJimmy Kimmel Live, saying there was “no excuse for criminal acts.