New Haven police are investigating a sex assault early Monday morning.
A 41-year-old New Haven woman was walking on Columbus Avenue near Salem Street, on her way to the train station, at 4:41 a.m. to go to work when a man grabbed her from behind, police said.
She struggled and tried to run, but the man said he had a knife and threatened to kill her.
The victim said she was sexually assaulted several times and showed police where the it had happened before she was taken to the hospital.
The assailant is described as in his late thirties. He is slim and about 5-feet, 6-inches tall, has black hair in a crew cut and is clean shaven, according to police.
At the time of the attack, he was wearing blue jeans, a gray hooded sweatshirt over a white striped t-shirt and Timberland boots.
Someone who called police reported seeing a man with a similar description and said his clothing might have had a New England Patriots emblem on the back.
Police said this was a random crime and the victim did not know the man who attacked her.
Anyone with information about the attack is asked to call detectives with the New Haven Police Department at 203-946-6304.