North Korea's Foreign Minister Says Trump ‘Declared War’

North Korea's foreign minister has accused US President Donald Trump of declaring war on North Korea, in reference to Trump's tweet about Kim Jong-un "not being around for much longer". He also said that under the UN charter, Pyongyang has the right to take countermeasures, including shooting down US bombers, even if they are not in its airspace. Al Jazeera's James Bays reports from New York.