A roof and wall of a vacant building in north Omaha collapsed Thursday, prompting the Public Works Department to close one lane of North 30th Street.
The building, which formerly housed a variety of businesses, is on 30th Street between State and Willit Streets.
Public works employees closed a northbound lane of 30th Street until the building can be completely demolished, according to the city's website.
Richard Behrens, a volunteer weather observer for the National Weather Service, lives near the building.
Behrens said in an email that rain and snow pooling on the building's flat roof may have caused the collapse.
He said his rain gauge recorded 1.45 inches of precipitation Wednesday and Thursday.
— Kevin Cole