North Memorial emergency room fight involving 50-75 people leads to lockdown

A distrubance involving 50 to 75 people put North Memorial Hospital in Robbinsdale, Minnesota on lockdown Thursday morning. 

Robbinsdale police say a total of seven agencies responded to the fight in the emergency room which happened around 11:30 a.m. The lockdown was lifted around 1:30 p.m. 

North Memorial says no one was hurt.