Americans in Pakistan (Urdu: امریکی ) form a sizeable expatriate community. According to Pakistan's Ministry of Interior, there were 52,486 Americans residing in Pakistan in 2015. Some of them are Pakistani Americans who have returned to Pakistan. Many Pakistani Americans returned during the unstable conditions post-September 11 attacks and the global financial crisis. According to early statistics of 1999 based on registrations with the local American embassy and consulates, there were over 4,200 Americans in the country, with 2,100 in Pakistan's financial capital Karachi, about 1,250 in Lahore, 506 in Islamabad and 375 in Peshawar. Employment and social life The United States also maintains a large diplomatic and military contingent in the country; media reports claim that , in addition to 275 diplomats, there are more than a thousand US Marines providing security to diplomatic personnel, and hundreds more unregistered officials living in private houses. This represents significant growth over 1999, when the American diplomatic contingent in the country barely exceeded one hundred people. However, Pakistani officials deny the reports of more than a thousand US Marines in the country. For the American community in Karachi, the American Club once was the centre of their social life. There is also an American School of Karachi, but it had only a handful of American students and teachers. In late 2009, Pakistan held up many visas for U.S. diplomats, military service members and others, because of hostility inside Pakistan toward the expansion of U.S. operations in the country, while many suspected Americans living in Pakistan were detained following five American terrorists linked to Al-Qaeda arrested in Sargodha. Relations with Pakistani society Pakistani newspapers claim that American diplomats in Pakistan carried automatic weapons without a license, attacked local citizens, and cursed at local policemen. They have also allegedly dodged law enforcement personnel and security screenings on motorways, airports and elsewhere on multiple occasions. In January 2011, an American national and CIA contractor Raymond Davis was involved in a shootout that killed three Pakistanis in Lahore, resulting in a diplomatic rift between Pakistan and the United States. Davis was later freed by the Pakistani government and the families of the victims were paid compensation, in spite of large public opposition to his acquittal. In February 2011, American citizen Aaron Mark DeHaven was arrested in Peshawar after he was found allegedly overstaying his visa illegally. He was later deported. In May 2011, an American national