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Rising numbers of migrants are trying to cross the English Channel in dinghies and other small boats. Why and what is driving the increase?

Almost 4,000 people have crossed the English Channel, in more than 300 small boats, so far in 2020. There was a new record of at least 235 arrivals on 6 August.

The numbers attempting the crossing are higher - but some boats are intercepted by the French authorities before they reach British waters.

The boats tend to be small dinghies that are overcrowded. The passengers sometimes include babies and children - and they're crossing one of the most dangerous and busy shipping lanes in the world.

Under international maritime law, people at risk of losing their lives at sea must be rescued.

Correspondent Jim Reed reports.