Trump approves Louisiana state of emergency

President Donald Trump has declared a state of emergency in Louisiana as a growing tropical storm nears landfall.

Storm Barry has been gathering speed over the Gulf of Mexico in recent days.

Officials say sustained wind speeds have grown to 50mph (80km/h) and may still reach hurricane strength by the time it makes landfall.

It is expected to bring a storm surge and heavy rainfall to the city of New Orleans - which has already seen thunderstorms and flash floods.

The National Weather Service warns that flooding from the slow-moving storm poses the greatest risk.

Between 10-20in (25-50cm) rain is forecast to hit the state, where the Mississippi River is already nearing flood levels.

The president's declaration frees up wide-ranging federal resources which can be used to help in the emergency situation.