No one was injured when a man fired an assault rifle at a Veterans Affairs hospital on the Near West Side Monday afternoon, then ran inside where he was arrested near a pharmacy as staff and patients yelled and scattered for cover, according to Chicago police.

The gunman fired shots inside and outside the Jesse Brown VA Medical Center at 820 S. Damen Ave. around 2:40 p.m., authorities said during a news conference outside the medical center.

Read more: Chicago Tribune