Karachi, May 29 (PTI) At least four Pakistani citizens were killed and two others injured on Wednesday when Iranian forces opened unprovoked firing on a vehicle in a border town of Pakistan's restive Balochistan province, according to authorities.

The incident took place late on the night between Tuesday and Wednesday in Tehsil Mashkil Bacha Rai, a Levies source said.

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The source from the provincial paramilitary forces said that authorities were in touch with their Iranian counterparts over the incident, for which no explanation was available as yet.

“So far no reason is known as to why the Iranian forces opened fire on the vehicle from across the border in the town of Mashkil Bacha Rai,” he said.

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Two other Pakistani citizens were injured in the firing incident, which has again raised tensions in the region, underscoring the need for careful management of border security issues.

The border town is seen as a sensitive location security-wise for Pakistan and Iran.

In January, the two neighbours carried out tit-for-tat air strikes against alleged terrorist hideouts on rival lands.

Iran shocked Pakistan by carrying out airstrikes against alleged militant hideouts in the restive Balochistan province.

Pakistan swiftly responded by using killer drones and rockets to carry out “precision military strikes” against what it called “terrorist hideouts” in Iran's Sistan-Baluchistan province, killing nine people.

However, the two sides acted fast to restrain tempers through diplomatic channels.

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)