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.

UN, aid groups warn Gaza operations at risk from Israel impediments
Trump adds seven countries to full travel ban list
Indian parliament votes to allow private firms in nuclear power sector
Doctors in England start five-day walkout during flu surge
Israeli settler kills 16-year-old Palestinian in West Bank, mayor says
Paris' Louvre reopens partially but staff vote to extend strike
Delhi restricts vehicles, office attendance in bid to curb pollution
India summons Bangladesh envoy over security concerns in Dhaka
