Family members of a young Pakistani man killed by a United States (US) diplomat in a road accident rallied in Islamabad on Friday, asking the government to ensure that justice is done.

The rally was held near the road where 22-year-old Ateeq Baig was killed and another person was injured when the US military attaché Col Joseph Emanuel Hall allegedly ran a red light and hit his motorcycle last week.

Baig's father Mohammad Idrees took part in the rally. He said that so far, no US Embassy official had visited his home for condolences.

Pakistan has already lodged a formal protest with US Ambassador David Hale, who expressed sympathy for the victims' families and assured cooperation with the investigation.

Ateeq Baig and Raheel Ahmed were injured after being hit by the vehicle of Col Joseph. Baig succumbed to his injuries while Raheel Ahmed was under treatment.

Police responded forthwith on the scene of occurrence where the man inside the vehicle introduced himself to be Col Joseph Air attache and diplomat of US Embassy, a spokesperson said.

The man also showed ID card duly issued by Ministry of Foreign Affairs of Pakistan declaring his status as a diplomat and claimed diplomatic immunity.

He along with vehicle was brought to Police Station Kohsar and FIR about the incident was lodged under proper sections of law against him. The card by Ministry of Foreign Affairs declaring him diplomat is also attached.

He was also interrogated while Security officials of US embassy reached and exhibited security immunity. Under Article 29 of Vienna Convention 1961 to which Pakistan is also signatory; a diplomat can neither be arrested nor detained.

As it was a weekend, Col. Joseph status as diplomat and veracity of card issued by MOFA to that count was telephonically also confirmed from the ministry which verified it.

Thus he was handed over to US embassy security staff and his vehicle, MOFA issued card and driving license taken into custody as per laid down procedure, the spokesman added.