nick. reporter: absolutely. the statement accepts it was highly likely they refer to what was air support strikes. they said there was an operation going on my afghan and nato forces on the afghan side of the border hunting down insurgents. they called in air support and that s when this incident occurred. they won t say whether it happened inside pakistan or talk about numbers. but clearly an effort by nato to try to begin the reconciliation process as the pakistanis come up with angry rhetoric towards washington. so, nick, is pakistan decides it will cut off some of the cooperation it has extended to the u.s./nato, where does afghanistan play in this? how will it choose sides? reporter: well, the afghans have their bed made really here. however much they talk about a future or they want a good relationship with pakistan there s way in excess of 100,000 nato troops. huge amounts of money being poured into by the coalition into afghanistan. also bear in mind what s happ