President Donald Trump on Tuesday cast a massive explosion that killed dozens of people and wounded thousands in Lebanon's capital, Beirut, as a possible attack and offered U.S. help.br "The United States stands ready to assist Lebanon," Trump said at a White House briefing. "We will be there to help. It looks like a terrible attack."br br When asked later about his depiction of the explosion, Trump said that he had spoken with U.S. military officials who think the blast seemed to be an attack, "a bomb of some kind.