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New York: Shooting at the University of Oklahoma in the US. The university authorities said that they have not been able to catch the assailant who fired several times.
Students have been advised not to travel through South Oval and not to seek shelter here.
A few days ago, two teachers, a nine-year-old boy and a security officer were killed in a school shooting in Nashville.
School and college shootings are common in the US. There have been 129 mass shootings in the US this year alone.
