After returning from a two-day trip to Pakistan, the US Senator John Kerry has said that it is time for Pakistan to act. Kerry told members of the powerful Senate Foreign Relations Committee in Washington that it is not tolerable that some of the terrorist groups are sitting there on the ground and there isn't a fullness of measure of effort by Pakistan against them. The Senator said that US would be able to protect its interest even if there is no co-operation from Pakistan and the access to Afghanistan is blocked by Islamabad.