MCSO: All lanes of I-43 northbound were temporarily closed Sunday near North Ave. due to report of shots fired

MILWAUKEE (CBS 58) -- A report of shots fired is being investigated on I-43 northbound near North Avenue on Sunday, April 25. 

UPDATE (4:42 p.m. CT):  All lanes have reopened. There are no reported injuries.

The Milwaukee County Sheriff's Office has closed down all northbound lanes after reports of shots fired on the interstate.

Authorities searched the scene for evidence and determined there was no immediate threat to the community.

This is a developing story. Stick with CBS 58 on air and online for updates.