Tramway inspectors from Toomey’s office returned to the Bartlett, N.H., resort Monday “to continue their ongoing investigation and inspection of the Flying Bear lift,” his office said in a statement.

New Hampshire authorities are investigating after a chair fell 20 feet from a ski lift, injuring one person, according to the State Fire Marshal’s office.

A mechanical failure caused one of the chairs to fall, according to the New Hampshire State Fire Marshal’s office.