Kerala floods: death toll reaches 164 in worst monsoon in nearly a century

'Extremely grave' situation in southern Indian state as more than 150,000 people displaced from their homes

The death toll from floods in the southern Indian state of Kerala has jumped to 164 and could grow further, with more rain predicted and thousands of people still awaiting rescue.

Roads are damaged, mobile phone networks are down, an international airport has been closed and more than 150,000 people have been left homeless after unusually heavy rain this month caused the most damaging floods in Kerala in a century.