Chief Justice of Pakistan Justice Saqib Nisar has arrived at the residence of his fellow judge and is overseeing the situation, the statement added.
Some media reports claimed that there were, in fact, two firing incidents — one late last night and the second early morning today.
Reports also stated that the chief justice has summoned the Punjab police chief.
Justice Ahsan often spends the weekend in Lahore, his hometown, where he, along with the chief justice, presides over several cases related to public welfare issues and other matters at the Lahore registry.
Justice Ahsan is also the monitoring judge of the ongoing corruption cases against former prime minister Nawaz Sharif. APP/AFP