Pakistan ex-Prime Minister Nawaz Sharif had to turn back from the London Bridge hospital where he was admitted for a medical test after police sealed the area after shooting and knife attack took place on Friday.
Sharif was on his way to the hospital when an alert was issued by the police about the incident at the London Bridge where gunshots had been heard, according to reports.
The hospital, where he has been visiting for routine check-ups, is less than half a mile from the scene of the incident.
The former prime minister turned back from the scene and returned to his family apartment in Avenfield, Park Lane, Dawn reported.
On Friday, the London Bridge attack killed two people and left several wounded after a man stabbed them to death, police said.
The attack came a few hours before a number of people were wounded in a stabbing in one of the main shopping streets in the centre of the Dutch city of The Hague.
The incident evoked memories of the 2017 terror attack on the same bridge when a van was deliberately driven ploughing the pedestrians before its three occupants ran to the nearby Borough Market area and began stabbing people in and around restaurants and pubs, leaving eight people dead and 48 injured.
On November 19, Sharif had arrived in London via Doha in an air ambulance equipped with an Intensive Care Unit (ICU) and an operation theatre with a team of doctors and paramedics on board.
On October 25, the Lahore High Court (LHC) had bailed Nawaz Sharif indefinitely on medical grounds in Chaudhry Sugar Mills case, days after he was taken to Services Hospital from Kot Lakhpat Jail after the deterioration of his health.
Sharif was sentenced to seven years in prison in the Al-Azizia Steel Mills corruption reference on 24 December 2018. Rs1.5 billion and the US $25 million fine, a disqualification of 10 years from holding any public office was part of the sentences awarded to the former premier.