An unidentified soldier killed two respected judges outside Iran’s Supreme Court on Saturday in what officials said was a terrorist attack, according to government reports.

The attacker opened fire in a square near the headquarters of the Supreme Court in the capital Tehran Islamic Republic News Agency said.

The judges, Ali Razini and Mohammad Moqiseh, had a long career and presided over cases involving national security, espionage and terrorism, according to court rulings and state media reports.

Both were heads of the Supreme Court branches. A third judge was injured in the attack.

Iranian prosecutors described the incident as terrorism and the shooting as a homicide, according to Libraanother matter of government

The attacker killed himself before police could arrest him, Mizan said. The police opened an investigation.