NEW YORK, Sept 1 (Reuters) - About 1,070 hotel workers

in U.S. cities of Boston and Greenwich began to strike after

contract talks with hotel operators Marriott International ( MAR )

, Hilton Worldwide ( HLT ) and Hyatt Hotels ( H )

stalled, the Unite Here union said on Sunday.

The strikes in Boston and Greenwich will last three days and

more are expected to walk off the job through the weekend, the

union said.