Blast occurs during parade in Iranian city of Mahabad (UPDATE-4)
Editor's note: Detail about the blast was added in the article
An explosion has taken place during a parade in the city of Mahabad in the West Azerbaijan Province of Iran, the official website of the IRINN television channel reported.
According to preliminary data, it was a terrorist act.
The blast killed 10 people and injured 58. There are women and children among the victims, the agency Fars reported.
The MEHR news agency says that attack was carried out with a sound bomb.
No organization has assumed a responsibility for the blast yet.
The province is densely populated with the Kurds and the Pejak group has been operating here.