Migrants are escorted ashore from the UK Border Force vessel 'BF Ranger' in Dover, southeast England, on March 6, 2023, after having been picked up at sea while attempting to cross the English Channel. - Britain's Conservative government is expected to present on Tuesday a new bill providing for the detention and swift deportation of asylum seekers who illegally enter the country via small boats, according to media reports. LEHTIKUVA / AFP, AFP / LEHTIKUVA / BEN STANSALL