London, May 13 -- Prime Minister Keir Starmer promised on Monday to cut net migration to Britain significantly over the next four years, saying the country risked becoming "an island of strangers" if it could not maintain social cohesion. In sweeping immigration reforms, the government said it would increase English-speaking requirements for immigrants, make it harder for them to stay in the country, and prevent companies including care homes from recruiting abroad. Automatic citizenship will only be granted to someone who has lived in Britain for 10 years, not five, and skilled worker visas will be restricted to graduate-level applicants. "Make no mistake, this plan means migration will fall. That is a promise," he said. "If we need to take further steps... we will." Starmer said he would end "Britain's failed experiment in open borders,'' less than two weeks after Reform UK, the hard-right party led by Nigel Farage, scored big victories in local elections.P12...