Christine Molle and her husband, Wayne, survey the damage to her mother's house in Revere, Mass., Monday, July 28, 2014, after a tornado touched down. Revere Deputy Fire Chief Mike Viviano says the fire department in the coastal city has received dozens of calls reporting partial building and roof collapses, and downed trees and power lines. Viviano says there are no immediate reports of deaths or serious injuries. (AP Photo/Elise Amendola)

Tornado damages city north of Boston

A powerful storm blew through Massachusetts on Monday, causing extensive building damage in Revere, a coastal city north of Boston.