2009 Pakistani Embassy attack in Tehran
The 2009 Pakistani Embassy attack in Tehran occurred when the Embassy was overran by the Iranian protesters who stoned the Embassy building after learning the news of slaying of a worker at the Iranian consulate in Peshawar , North-West Frontier Province , Pakistan . 
<triplet> Peshawar <subj> Pakistan <obj> country <triplet> North-West Frontier Province <subj> Pakistan <obj> country <triplet> Pakistan <subj> Iran <obj> diplomatic relation