Prime Minister Shehbaz Sharif has taken notice of the accident during the construction of bypass at Bhara Kahu in Islamabad.
He expressed grief over the death of two labourers in the accident and sympathised with the bereaved families.
He directed provision of best medical facilities to the injured.
The prime minister sought details of the accident from the Chairman Capital Development Authority.
He ordered immediate action against the individuals responsible for the negligence.