Investigators searching for wreckage from last week’s deadly midair collision between a US military Black Hawk helicopter and an American Airlines plane near Washington, DC, conducted an overnight scan of the Potomac River where the aircraft fell using advanced imaging technology to map the riverbed and locate debris.

Watch live from the Potomac River on Tuesday, 4 February, where recovery efforts continue after an American Airlines regional passenger jet and a US Army Black Hawk helicopter collided and crashed into the water river near Washington DC’s Reagan National Airport.

An American Airlines flight and a military helicopter collided and crashed into the Potomac River near Reagan National Airport Wednesday evening.