The US claims that it will to be too early to say who was involved in the Quetta Police Training Centre attack.
In a statement deputy spokesman for the US State department Mark Toner said they will help Pakistan in every possible way for investigation of the Quetta Attack.
He added that the US is aware of the presence of Daesh in Afghanistan and they are working to counter them.
At least 61 police personnel were killed and 117 injured when two suicide bombers blew up in at a police training centre in Quetta on Monday.