Andhra Pradesh: Deadly India train crash kills 13

At least 13 people have died and about 50 are injured after two passenger trains collided in India's southern Andhra Pradesh state on Sunday.
A rescue operation was launched and hundreds of emergency workers were at the site to clear the wreckage.
Officials said a preliminary investigation has found that a "human error" had led to the collision.
Prime Minister Narendra Modi expressed his condolences and said he was in touch with the railways minister.
The crash took place in the Vizianagaram district on Sunday evening.