118 unauthorized US drone strikes killed 600 people in Pakistan in 2010.
At least 15 people have been killed in the latest spate of non-UN-sanctioned US drone attacks in Pakistan's North Waziristan region along the Afghan border.
US unmanned drones fired missiles at two vehicles and a house in Mandi Khel and the Spin Wam area of North Waziristan Agency on Saturday morning, killing 15 people and injuring several others, a Press TV correspondent reported.
Earlier on Friday, the illegal US-led drone attacks claimed the lives of at least eight people and wounded several others in Pakistan's northwestern tribal belt.
Over 65 people have lost their lives and many more have been injured in North Waziristan region in at least 11 aerial strikes carried out over the past ten days.
According to the latest tallies, 1,400 to 2,000 people have lost their lives during the unauthorized US drone attacks since 2004, many of which were carried out in North Waziristan Agency.
The unsanctioned US airstrikes in Pakistan have increased since US President Barack Obama assumed power in 2009.
In 2004, only one strike was carried out, two strikes were also reported in 2005 and 2006, and four occurred in 2007.
The number of illegal aerial strikes has seen a dramatic increase over the past two years, with 34 incidents reported in 2008, killing at least 263 people.
In 2009, 53 attacks were reported that left at least 413 people dead.
Washington claims its air raids target militants who cross the Pakistani border into neighboring Afghanistan to help the Taliban fight US-led foreign forces.
The ongoing non-UN-sanctioned US drone attacks in the northwestern Pakistan are mostly carried out by unmanned aerial vehicles (UAVs) operated remotely from a military base located in the western US state of Nevada.
In late October, the United Nations' special rapporteur on extrajudicial killings Philip Alston said in a biting report that the US government has not made clear what legal basis it has for carrying out the strikes or what rules, if any, are in place to govern these CIA operations.
“Unless the US government moves to answer these questions, it will increasingly be perceived as carrying out indiscriminate killings in violation of international law,” he asserted.
In a previous report in June, Alston's team harshly criticized the United States for being, "the most prolific user of targeted killings" in the world.