The United States struck another small boat accused of carrying drugs in the waters off Venezuela, killing six people, US President Donald Trump said on Tuesday. Those who died in the strike were aboard the vessel, and no US forces were harmed, the president said in a social media post. It was the fifth deadly strike in the Caribbean as Trump’s administration has asserted it was treating alleged drug traffickers as unlawful combatants who must be met with military force. US Defence Secretary...