BROOKLYN - Police say they have arrested a man believed to be responsible for two sex assaults in the borough.

Authorities say 22-year-old Federico Chamorro Yax was taken into custody last night for allegedly groping three women in two separate attacks.

The first assault happened on 65th Street on Sept. 4, within the confines of the 62nd precinct, according to officials. The second incident happened two days later within the 72nd precinct and involved two women.

Police say they have not connected Chamorro Yax to any of the other recent sexual assaults around the Park Slope, Sunset Park areas.

Chamorro Yax is facing charges of assault, sexual abuse and forcible touching.