A blast injured four people at a non-Muslim cemetery in the Saudi Arabian city of Jeddah, Report says, citing RIA Novosti.
"There was some blast at the non-Muslim cemetery in Jeddah. There are four slightly injured, among them one Greek," the official told Reuters, declining to name.
The blast took place during an event at the cemetery to commemorate World War One.
The official did not provide further details.
A source with knowledge of the matter told Reuters the attack happened early on Wednesday when several diplomatic delegations from the European Union and other countries were present at a Remembrance Day event organized by the French embassy.