The US terror drone campaign has displaced thousands of civilians in the troubled southern and eastern regions of war - ravaged Afghanistan, a news agency reports.Thousands of people fled their homes in Helmand, Kandahar, Kapisa and several other provinces after the US escalated drone strikes across the troubled regions. The Afghan government plans to relocate thousands of internally displaced persons (IDPs) currently living in camps on the outskirts of Kabul. The latest US-led airstrike killed a young girl and injured three other civilians in the east of Afghanistan. The attack took place on September 11 in Nejrab district in the northeastern province of Kapisa. Thousands of people have died in US-led airstrikes and drone attacks in Afghanistan since the 2001 invasion of the country. Washington claims that the airstrikes target militants, but reports on the ground show that civilians have been the main victims of the attacks. The United States and its allies entered the war in Afghanistan in October 2001 as part of Washington’s so-called war on terror. The offensive removed the Taliban from power, but after more than 11 years, the foreign troops have still not been able to establish security in the country. The world body and several human rights organizations have already identified the US as the world's number one user of "targeted killings" largely due to its drone attacks in Afghanistan and neighboring Pakistan.