A US Marine has been sentenced to seven years in prison, after he was convicted of strangling and sexually assaulting a woman in Okinawa last May, a Japanese district court told CNN.

US Marine sentenced to 7 years in prison for sexual assault in Japan The sexual assault case is the latest to strain relations between residents of Japan's Okinawa Islands and U.S. servicemembers.

A US Marine has been sentenced to seven years in prison, after he was convicted of strangling and sexually assaulting a woman in Okinawa last May, a Japanese district court told CNN.