New Delhi, April 12 -- British authorities arrested a man from Sudan on Friday on suspicion of endangering life after four migrants died trying to board an inflatable boat to cross the English Channel.

Two men and two women died and 38 others were rescued Thursday after being swept away in strong currents at a French beach where they had been attempting to launch for the perilous crossing to Britain.

The 27-year-old suspect was one of more than 70 other migrants who continued the journey and he was arrested at a migrant processing center on England's southeast coast under a new border and immigration law that includes charges for endangering someone's life during a journey by sea to the U.K.

It was not clear what role the suspect is al...