Federal prosecutors say a New Jersey man sexually assaulted a sleeping female passenger on a flight from Hong Kong to Newark.

Ramesh Advani is charged with abusive sexual contact, Fox's My9News reports.

Prosecutors say the 63-year-old Berkley Heights, NJ resident was seated next to the woman on the Continental Airlines flight. Authorities say Advani reached under her blanket and sexually abused her.

Authorities say two passenger seated behind the pair observed what was happening and kicked the woman's seat to wake her. The woman awoke and alerted the flight crew.

Advani was detained when the plane landed in Newark on Friday.

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Click here for more on this story from My9News.