Teenagers run in fear after their former classmate burst into school armed with a shotgun and began firing randomly.

The 18-year-old gunman,who was recently expelled,wounded at least 16 people before killing himself in Turkey.

Armed with a shotgun,he opened fire on anyone he could see at a vocational high school in Siverek in the province of Sanliurfa,before hiding inside the building.

CCTV captures the moment his victims were shot,others are forced to flee right past him as others slam doors to get away.

He later killed himself with the same shotgun after being ‘cornered by police’,governor Hasan Sildak said.

Victims are carried out of the high school in Turkey (Picture: DHA)

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Start your day informed with Metro's News Updates newsletter or get Breaking News alerts the moment it happens.The attack left 10 students,four teachers,a canteen employee and a police officer wounded,Mr Sildak said.While most of them were being treated in Siverek,five of the wounded teachers and students were transferred to a hospital in the provincial capital because their conditions were more serious,the governor said.The motive remains unclear. School shootings are rare in Turkey.The attacker did not have a criminal record,Mr Sildak said. The school had been declared safe and no permanent police officer was assigned to protect it,he added,calling the shooting an ‘isolated incident’.The shooter in a white jumper opens fire on unsuspecting pupilsNTV television and other media reports said the assailant had threatened an attack on the school on social media prior to the shooting.One student told the state-run Anadolu Agency that he and a friend jumped out of their classroom window to flee the attacker.‘He suddenly entered the classroom and fired. He fired four or five times. Two people were hit. He then went into the next classroom,’ Anadolu quoted the student as saying. ‘We first threw ourselves to the ground and then two of us jumped out of the window.’The student added: ‘He didn’t say anything,he entered and started to shoot directly.’Earlier,media reports said all students were evacuated and police special operations units were deployed after the assailant refused to surrender.