Police determined a quarrel between two people was the cause of the security scare. Both were located and apprehended, police said.

The mall, at 4905 Old Orchard Center, was placed on a temporary lockdown about 3 p.m. Tuesday for reports of shots fired. The Skokie Police Department said at 3:44 p.m. that the calls were unfounded,

Reports of an active shooter at Westfield Old Orchard mall in Skokie, Illinois, prompted a large police response Tuesday afternoon. Authorities acted swiftly amid concerns for public safety. Skokie Police have confirmed the heavy law enforcement presence near the mall.