SEOUL: North Korea confirmed Monday it had fired its most powerful missile since 2017, capping a month-long blitz of launches that has raised the spectre of leader Kim Jong Un restarting nuclear tests. Pyongyang conducted a record seven weapons tests in January, the most ever in a calendar month, as it threatened to abandon a self-imposed moratorium on launching long-range and nuclear weapons, blaming US “hostile” policy for forcing its hand. North Korean state media said Monday that the country had test-fired a Hwasong-12 intermediate-range ballistic missile, last launched in 2017, which is p…