At least two people have been killed and two more injured after an unidentified person opened fire at Lahore's Allama Iqbal International Airport on Wednesday.
Security has been tightened, with entry and exit points to the airport closed for investigation.
Police said the incident took place at the arrival area outside the main airport building, with initial reports suggesting it was a "personal dispute".
One person has been taken into custody with no details of the victims or the gunman released so far.
Some UK departing flights disrupted by NATS technical issue
At least 73 injured after Houthi rebels attack Saudi civilian and energy facilities
UK, France and Canada sanction Israeli West Bank settlements
Suspect detained after sabotage attacks on Germany power grid
Nepal rescue focused on workers trapped in three tunnels
