Police have released a video seeking a possible connected attacker. It is reported that in less than a week, three women were approached from behind and on the streets of the same Berkeley neighborhoodSexual assault-the first Feb.11 and other Tuesday-It happened a few blocks outside the Southern People's Park at the University of California, Berkeley.Police spokesman Officer Jennifer Coates said they were "likely" in contact.A video released Thursday showed a man dressed in dark colors running along the sidewalk at night.About 11:20 p.m.Police said a woman was walking 2500 blocks of Benvenue Avenue south of Dwight Road on Tuesday, when a man locked her in a bear hug and sexually assaulted her.Police say she chased the attacker in a parking lot at the University of California, Berkeley, and the last time someone saw him running west in a Rush Street.It's not clear why this woman is chasing that man, says Coats.20 minutes before the incident, a woman was attacked near the intersection of Durant Avenue and Ellsworth Street.A few blocks away, a female student was also approached from behind and sexually assaulted on February.11.In the incident that happened at about 9: 10m.Police say the male attacker grabbed the student and pushed her to the ground on Rush Street, 2500 block.No one was arrested.In an earlier attack, police said the suspect wasMore than 20-year-old height about 5 feet 9 inch keep curly hair and beard.In the second attack, the man was described as in his early 20 s, in general shape and with short hair.Police said he was wearing dark trousers, an oversized olive green jacket and a jersey with a hat.Lights and sirens of San Francisco police cars.Lights and sirens of San Francisco police cars.