17 dead, 15 wounded after expelled student shoots up Stoneman Douglas High in Broward

An American nightmare unfolded Wednesday afternoon at a South Florida high school after an expelled teenager returned to campus and opened fire with an assault rifle, police say, killing 17 and wounding 15 more in the worst school shooting in Florida history.

Just before dismissal at Marjory Stoneman Douglas High School in Parkland, thousands of students puzzled at the sound of an unexpected fire alarm were launched into a panic when gunfire punctuated the din. As teachers and students fled through hallways and hid under desks, a gunman fired a volley of bullets, leaving a trail of bodies and chaos in his wake.

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