Over 600 missing in Brazil floods

More then 600 people are reportedly missing after days of heavy rain in north-eastern Brazil triggered deadly floods.



Officials say at least 31 people are known to have died so far and tens of thousands have had to flee their homes.



BBC reports say the floods have washed away entire villages in the states of Alagoas and Pernambuco.



The governor of Alagoas has said that bodies are being washed up on beaches and riverbanks.



more than 1,000 miles of roads have been washed away by the rains, hindering the delivery of aid to affected areas.



Many rivers in Alagoas state have also burst their banks.

Officials say rescue teams are airlifting people out of the worst-affected areas by helicopter.