US President Donald Trump has said, the suspected chemical attack in Syria cannot be tolerated and it has crossed many many lines. Mr Trump told this to reporters at a joint Rose Garden news conference with the visiting King Abdullah of Jordan. <br/><br/>Responding to a series of questions on the attack, Mr Trump indicated that he is going to adopt a much tougher approach against the authoritarian Syrian regime, but did not gave any indication of what steps plans to take.<br/> <br/>The US President had, earlier, said such acts are consequences of the Obama administration's weakness.