A mother has described the moment she received a phone call from her panicked son after a gunman opened fire at a school in the Austrian city of Graz. Austrian police confirmed that a major operation was underway in the city on Tuesday morning (10 June) at the secondary school campus on Dreierschuetzengasse. The operation began at 10am after gunshots were heard inside the school, police said. The death toll has now risen to ten after the shooting police have confirmed. Police confirmed nine victims had been killed, and the perpetrator was also dead. Police said there was only one shooter involved.

Se desconoce por el momento los motivos del suceso

At least one person has been killed in an attack in the Austrian city of Graz.

Emergency services have been sent to a school in the city

It was not immediately clear whether the suspect was among the reported victims.

Nine killed in Graz school shooting, including suspected perpetrator; police believe assailant acted alone, situation secured.

Am Vormittag fielen Schüsse an einem Gymnasium in der österreichischen Stadt. Was bisher bekannt ist.

The authorities in Graz were trying to clarify the situation on the ground and coordinate a response. The Interior Minister confirmed several deaths, public media reported.

Austria’s Interior Ministry says there are several fatalities but does not specify how many.

At least eight people are reported to have been killed in one of the country’s worst mass shootings.

At least ten people are believed to have been killed in a school shooting in the southern Austrian city of Graz.

Austrian police have launched a major operation after a shooting at a school in Graz

LIVE UPDATES: Follow MailOnline's live coverage as police in Austria respond to reports of a school shooting in the city of Graz.

At least nine people were reported killed and a number of others injured in a shooting at a school in the southern Austrian city of Graz on Tuesday, the city's mayor said.

Mayor Elke Kahr described the events as a "terrible tragedy," the Austria Press Agency reported.

An einer Schule in Graz hat ein ehemaliger Schüler mehrere Menschen tödlich verletzt. Es soll mindestens zehn Tote geben, unter ihnen ist laut Polizei auch der mutmaßliche Täter.…

Ten people have been killed and dozens more injured after a pupil opened fire on an Austrian school, in what has been described as one of the worst mass killings in the country's…

Presumed shooter and several students killed in attack in city of Graz, says mayor

According to the local police, the attacker acted alone, and his motives remain unclear

The suspect is among the dead, police confirm, after rare school shooting rocks nation.

A chilling video circulating online shows the moment gunshots rang out around the BORG Dreierschuetzengasse high school campus today in the city of Graz/