Peterson, who faces 11 charges of neglect and negligence, has said he responded properly by notifying police and assisting a school lockdown.

An Instagram post from a former NFL player, who was allegedly bullied while in the league, led to a school lockdown on Thursday.

Lockdown: Day 27 We are now in week five to six since " school lockdown" and about to complete week four in our national lockdown.

All school lockdowns had been lifted and there was no evidence the weapon was on campus, authorities said on Twitter.

Localised school lockdowns - in the form of extended mid-term breaks -may be implemented in areas where Covid infection is particularly problematic.