Chemical attack was so horrific in Syria against innocent people: Trump
US warned today that it could take unilateral action if the United Nations fails to respond
Attack in Idlib province had killed 72 civilians, appeared to have involved chemical weapons
A report suggested at least 11 of the dead were children
A second attack on Tuesday hit a clinic treating the victims
Trump repeatedly criticised Hillary Clinton & Obama for pushing 'immediate regime change in Syria'
However, Syria denied that either its forces or Russian forces were behind the attack
US has been under fire not on ending Assad's civil war against his domestic opposition
He said US stands with its allies across the globe to condemn intolerable attacks
The suspected chemical attack killed at least 58 people in Syria
According to medical teams, the victims showed symptoms of asphyxiation