US national Omar Mateen has been named as gunman, who killed about 20 people at a nightclub in Orlando, Florida, local media reported Sunday.
Earlier in the day, mass shooting occurred at a nightclub in Florida, wounding at least 42 people and killing 20. The gunman was killed by police during the hostage situation.
Mateen comes from Port St. Lucie, Florida, and had no criminal history, CBS News broadcaster reported, citing sources. According to the broadcaster, the authorities were investigating if Mateen had ties to Islamic terrorism.