Abid Husain, 20, and Sheeba Masih, 19, of Chak- 86/6-R, Sahiwal district, some 200 kilometres from here, were in love but their families were oppose to the idea of their marriage because of difference in faiths, police said.
As Sheeba's family fixed her engagement with a man of Christian faith the duo got upset.
The couple reportedly planned to commit suicide. On Thursday, Abid and Sheeba met at some place in their locality and shot at themselves. They were shifted to hospital where their condition is stated to be critical.
Police have yet to register a case as they are investigating.