A Pakistan Cricket Board (PCB) official confirmed to PTI that reports of the eight players being reprimanded and fined for a late night out were correct.
"Yes, manager Naved Akram Cheema has warned the players that no more transgressions of the code of conduct will be tolerated and they can be sent back home as punishment," said the official.
The eight players include senior all-rounder Shahid Afridi, opener Ahmed Shehzad, Wahab Riaz, Haris Sohail.
"After dinner, they went for an outing and returned to the hotel late. They have been fined 300 Australian dollars each."
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The players had returned to the hotel about an hour after the curfew timings set by the manager.
But a source told PTI that the matter became serious when some pictures of Afridi were posted on a social network site and a prominent local Pakistani Australian informed the team management that Shehzad had got into an argument with a Pakistani fan at a club.
"The team manager has made it clear that in future whenever they go out, they must have his clearance first," the source added.