Man accused of sexual assaults on the MBTA

Police said there have been at least four attacks. Each incident happened between Brigham Circle and Government Center on the E Line.

The suspect is described as white male, 5'6" to 5'8", in his fifties, thin build, white hair, wearing a long beige coat, beige dress shirt, beige pants or blue jeans and sneakers.

Witnesses said the man was wearing sunglasses and carrying a newspaper or briefcase.

Authorities had been working on a description of the man, but one of the victims recognized him on the train and took his picture with a cell phone camera.

Officials are trying to locate the unidentified man.

Anyone with information is asked to contact authorities at 617-222-1050.

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