Lockdown lifted at Belvidere schools after 'safety concern'

BELVIDERE, Ill. (FOX 32 NEWS) - The lockdown of Belvidere-area schools was lifted Thursday afternoon after law enforcement investigated a "safety concern."
Belvidere School District 100 announced the lockdown had been lifted at 1:20 p.m. and that students will be released per their usual schedule.
Belvidere School District 100 put out a statement on Facebook Thursday morning, saying they received a 911 call that prompted them to go on lockdown.
Officials have not said what exactly initiated the lockdown.
Belvidere is roughly 14 miles east of Rockford.