Gunman opens fire in Texas high school, killing 10 people

Gunman opened fire at a Houston-area high school; 10 killed, 10 woundedShooting suspect has been identified as 17-year-old Dimitrios PagourtzisGovernor says the suspect used shotgun and revolver in the shootingAn unknown number of possible explosive devices were found at the school and off campus___A 17-year-old boy carrying a shotgun and a revolver opened fire at a Houston-area high school Friday, killing 10 people, most of them students, authorities said. It was the nation's deadliest such att