The first migrants who arrived in the UK after crossing the English Channel have been detained under the new “one in, one out” deal with France, Sir Keir Starmer has confirmed. The first detentions came after people arrived in Dover on Wednesday, 6 August, the first day the pilot scheme came into force. The agreement, announced by the prime minister in a joint press conference with Emmanuel Macron last month, means that any adult migrant who crosses the Channel will now be at risk of return if