In pictures: Bihar flood rescue

Indian army soldiers rescue flood victims in the village of Puthimari

Indian officials are in a race against time to rescue hundreds of thousands of people displaced by flooding in the state of Bihar.

Father carries his boy through flood waters in Bihar

Many of the flood victims have been left stranded without homes, food and clean drinking water.

Relief aid is loaded on to a helicopter at Poornia airforce station, north east of Patna

The Indian government has sent in thousands of troops, helicopters and boats to help with the rescue effort.

Families wade through flood waters in Gopalganj, Poornia district

But many refugees complain that the emergency effort so far has been too slow and inadequate.

Flood victims wait for food packets in Saharsa, Bihar

Scenes of chaos have been witnessed, with fights breaking out as people tried to board overcrowded rescue boats.

Families walk with their belongings along a railway line in Gopalganj, Poornia district

The disaster began in mid-August, when a dam burst in neighbouring Nepal caused the Kosi river to breach its banks and change course.

Families are transported through flood waters in Poornia district, Bihar

More than a million people have lost their homes and the death toll of 90 is expected to rise greatly as flood waters recede.