Hundreds of pro-Iranian protesters tried to storm the United States consulate in the Pakistan megacity of Karachi on Sunday, an AFP journalist saw.A crowd of young people climbed over the main gate and gained access to the driveway of the consular building, smashing some windows.For all the latest headlines follow our Google News channel online or via the app.Police fired tear gas at the protesters who dispersed, the AFP journalist saw.Read more:Iraq announces three days of mourning over Khamenei death