Indian people take part in a candle light vigil to pay tribute to victims who died or injuried in Hyderabad serial bomb blast in Bhopal, India, Feb. 22, 2013. At least 18 people were killed and over 50 critically injured in two serial blasts in the southern Indian city of Hyderabad Thursday evening in the biggest terrorist attack in India since the 2008 Mumbai attacks, police said. (Xinhua/Stringer)