HOUSTON, June 16, 2016 (Xinhua) -- Houston Mayor Sylvester Turner (C) speaks during a vigil in memory of the victims of the Orlando mass shooting in Houston, the United States, on June 15, 2016. At least 49 people were killed and 53 others wounded in the shooting at the popular gay nightclub Pulse early Sunday in Orlando, Florida, the United States. (Xinhua/Jia Zhong)
