TEHRANinfo-icon:- A suicide bomber has set off an explosion outside a police station in the Iranian southern port town of Chabahar, killing at least three people and wounding many more, state television has reported.

"This morning a bomb inside a car exploded near a police station in Chabahar," an official told state television on Thursday.

"The suicide attacker set off the explosion after stopping at police headquarters in Chabahar."

"It was a suicide bomb attack," Iraninfo-icon's state news agency IRNA also reported.

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The Reuters news agency said shooting had been heard at the scene.

Sistan-Baluchistan province, where the bombing hit, has long been a flashpoint, with Pakistaninfo-icon-based Baluchi separatists and armed group carrying out cross-border attacks, the AFP news agency reported.