Two dead and a police officer injured in shootings in Iowa

Two people were killed during overnight shootings in Davenport, Iowa, the chief of police Paul Sikorski said in a press briefing.

Four people in total were shot, including a police officer.

The chief said around 3 a.m., three officers who were patrolling the city "were ambushed" and shot at with several rounds.

Officers responded to 45 disturbance calls over the course of the night, said Sikorski.

Davenport Mayor Mike Mateson said he will enact a curfew in the city and asked Governor Kim Reynolds to activate the National Guard.