Rescue teams continue to search the freezing waters of Washington D.C.’s Potomac River for the remaining victims of the collision between a passenger jet and army helicopter. 

The remains of 41 people have been pulled from the river so far. 

All 67 passengers and crew aboard both aircraft died in the crash on Wednesday evening. The focus of the investigation appears to center on the helicopter’s altitude. CGTN’s Owen Fairclough reports.

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