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Afghan security force members inspect the site of a car bomb attack in Lashkar Gah, capital of Helmand province, Afghanistan, Feb. 24, 2018. At least five people, including two assailants, were killed and 11 others wounded in two separate suicide car bombings in Afghanistan's southern province of Helmand on Saturday morning, provincial officials said. (Xinhua/Abdul Aziz Safdari)

LASHKAR GAH, Afghanistan, Feb. 24 (Xinhua) -- At least five people, including two assailants, were killed and 11 others wounded in two separate suicide car bombings in Afghanistan's southern province of Helmand on Saturday morning, provincial officials said.

One person was killed and 10 others wounded after a Taliban fighter rammed a car bomb into a provincial intelligence agency's office in the principal capital of Lashkar Gah city.

"The blast occurred roughly at 9:05 a.m. local time (0435 GMT), leaving one security force member killed and 10 people, mostly civilians injured," a police officer who declined to be named told Xinhua.

The massive explosion also damaged several nearby houses and shops.

Earlier in the day, a Taliban fighter detonated an explosive-laden hijacked military armored vehicle near an army camp in Nad Ali district, west of Lashkar Gah, killing two soldiers and injuring another one, Interior Ministry spokesman Nasrat Rahimi told local Tolo News TV.

The Taliban militant group has claimed responsibility for the attacks in Helmand province which is notorious for growing poppy and militancy.

Earlier on Saturday, one person was killed and six others injured after a suicide bomber blew himself up in central part of the country's national capital of Kabul.

The attacks came one day after the country started construction of a major gas project in western Herat province to transfer natural gas from Turkmenistan to neighbouring Pakistan and India.