France calls for European aid after 27 migrant deaths at sea

A group of people thought to be migrants are brought in to Dover, England, following a small boat incident in the English Channel Thursday. (Gareth Fuller/PA via AP)

CALAIS, France — Helicopters buzzed above the waves and vessels were already scouring the cold waters when French maritime rescue volunteer Charles Devos added his boat to the frantic search for a flimsy migrant craft that foundered in the English Channel, killing at least 27.