MINNEAPOLIS (WCCO) — Minneapolis fire crews are battling a blaze on the city’s north side Wednesday afternoon.

According to the Minneapolis Fire Department, the second floor of a two-story duplex on the 1500 block of Russell Avenue North was burning.

Firefighters have completed a search of the duplex, and the bulk of it has been extinguished.

A second alarm was called “for extra personnel due to the hot weather,” the department said.

The Red Cross was called to help eight people and a dog. No injuries were reported.

The fire’s cause is under investigation.

Check back for more details in this developing story.