Pakistan has ordered a review of all co-operation with the US and Nato after the alliance struck a Pakistani army checkpoint, killing at least 24 people.A committee chaired by Prime Minister Yousuf Raza Gilani also decided to cut supply lines to Nato in Afghanistan.A Nato spokesman admitted it was \"highly likely\" that Nato aircraft were behind the strike at the Afghan border.The US has stressed the importance of its relationship and said it fully backed Nato\'s plan to investigate.Nato\'s Brig Gen Carsten Jacobson sent condolences to Pakistan and said the alliance was investigating how the incident occurred.