( CNN ) -- A fierce storm tore Friday evening through the town of Bel Air in northeast Maryland , damaging buildings , peeling off roofs , flipping a pickup truck , and felling trees and light poles , officials said . At least four people were injured , said Dave Williams , a spokesman for the Harford County Volunteer Fire & EMS Association , in an e-mail to CNN affiliate WMAR . One of the injured was in a car dealership in the Fallston area , which partially collapsed , said Robert Thomas , a public information officer for Harford County . A second structure , a single-family home , was struck by a tree , he said . Two of the injured were taken to hospitals , he said . Central Harford County bore the brunt of it : two buildings -- a mobile office trailer and a one-story auto detailing and repair facility in the Fallston area -- were destroyed ; more than a dozen homes were damaged , he said . Search-and-rescue operations were being conducted Friday night in the affected area , which was concentrated within a mile radius of Fallston , which had lost power , he said . A number of people were freed after becoming trapped , the Baltimore City Fire Department reported on its Twitter page . Bel Air is about 20 miles northeast of downtown Baltimore . Radar detected a funnel cloud in the area at 6:41 p.m. , 11 miles northeast of the town , CNN 's weather department said . CNN 's Joe Sutton contributed to this report .
Maryland : At least a dozen homes are damaged , an official estimate . Buildings collapse , trapping a number of people . Radar reports a funnel cloud at 6:41 p.m. Two people are hurt in the town of Bel Air , Maryland .