NIAGARA FALLS, N.Y. — A man accused of cutting off his pregnant wife's arm is now in custody. 

Yong Lu, 35, of Brooklyn, was arrested near the Rainbow Bridge in Niagara Falls Saturday.

Police say he was on the run, wanted by the NYPD and U.S. Marshals Service on an assault charge.

Crime Stoppers says Lu tried to convince a bus driver to smuggle him into Canada.