DES MOINES, Iowa (AP) — Police in Des Moines, Iowa, say two officers have been shot and killed in ambush-style attacks.

The Des Moines Police Department said in a news release that the shootings took place early Wednesday. Officers responded to a report of shots fired at about 1:06 a.m. and found an Urbandale Police Department officer who had been shot.

Des Moines officers responded to assist. About 20 minutes later, a Des Moines officer was found shot. Both officers have died.

The Des Moines Police Department said suspect information is being developed.