Maine police continue to hunt for gunman after 18 killed at bowling alley and restaurant

Police are searching for Robert Card (AP)

At least 18 people were killed and 13 injured in shootings in Maine, Governor Janet Mills has said.

A man shot and killed the victims at a bowling alley and restaurant in Lewiston and then fled into the night, sparking a massive search by hundreds of officers while residents stayed locked in their homes on Thursday under a shelter-in-place advisory.