A Pakistani official says the death toll from flash floods in the country's northwest has risen to at least 274 after rescuers recovered dozens of bodies from the rubble of collapsed houses.

Rescuers recovered dozens more bodies from the rubble of collapsed homes in a northwestern district of Pakistan, bringing the death toll to at least 274, as authorities defended their response to the flooding and said they did not need any foreign help at this point.

Rescue workers in northwestern Pakistan have expanded relief operations after flash floods killed more than 220 people in a single district. The mountainous Buner district, in Khyber Pakhtunkhwa province,