Calling Monday's attack on a police training academy in Lahore as an attack on Pakistan's institutions, the US has said its stood ready to help Pakistan which needs international support in fighting terrorism.
"I think the one thing that is evident is that Pakistan needs our help and international support in fighting terrorism that is trying to attack - its not just police structures at this time, but really the Pakistani Government is threatened," State Department spokesman Gordon Duguid told reporters.
"This is an attack on Pakistan's institutions. And the Pakistani people and the Pakistani Government need our assistance, and we stand ready to help them if we are able," he said.
Asked to give the State Department's assessment of the security situation in Pakistan, Duguid said: "Our assessment has immediately been done on behalf of our US staff who are in Lahore. We do not have reports of any Americans injured in these attacks."