The cargo ship collided with Perou ( France ) .
The cargo ship sank in the English Channel 2.5 nautical miles ( 4.6 km ) off Dungeness , Kent , with the loss of twenty of her 25 crew .
The cargo ship collided with Perou ( France ) and sank in the English Channel 2.5 nautical miles ( 4.6 km ) off Dungeness , Kent , with the loss of twenty of her 25 crew .