Rescue operations underway after apartment building partially collapses in Davenport, Iowa

Emergency crews search for survivors in Davenport, Iowa, on Sunday, after part of a six-story building collapsed. The stability of the rest of the building is a concern as other parts of the structure collapsed during the search. (Associated Press)

DAVENPORT, Iowa — Rescue operations were underway Sunday evening after part of an apartment building collapsed in the eastern Iowa city of Davenport. Authorities have not said whether anyone was killed.

Authorities said people were treated for injuries at the scene but did not detail how many.