2011 NATO attack in Pakistan
The 2011 NATO attack in Pakistan ( also known as the Salala incident , Salala attack or 26/11 attacks ) was a border skirmish that occurred when US-led NATO forces engaged Pakistani security forces at two Pakistani military checkposts along the Afghanistan–Pakistan border on Saturday , 26 November 2011 , with both sides later claiming that the other had fired first . 
<triplet> 2011 NATO attack in Pakistan <subj> 26 November 2011 <obj> point in time