Recent incidents include the 2007 Xinjiang raid, a thwarted 2008 suicide bombing attempt on a China Southern Airlines flight, and the 2008 Xinjiang attack which resulted in the deaths of sixteen police officers four days before the Beijing Olympics. Further incidents include the July 2009 Ürümqi riots, the September 2009 Xinjiang unrest, and the 2010 Aksu bombing that led to the trials of 376 people. In 2013 and 2014 a series of attacks on railway stations and a market, which claimed the lives of 70 people, and wounded hundreds more, resulted in a 12-month government clampdown. Two mass sentencing trials involving 94 people convicted of terrorism charges, resulted in three receiving death sentences, and the others lengthy jail terms.