Mohammad Rizwan and Imam-ul-Haq were among the seven players released from the squad following the disastrous two Test matches against England.
This comes after reports circulated that the PCB took the players' mobile phones into its custody before handing them over to the relevant authorities.
Imam-ul-Haq and Mohammad Rizwan were among the seven players sent home by Pakistan after the series loss to England following the Lord's Test.
Pakistan Cricket Board's shocking decision to sack seven players, including Mohammad Rizwan and Imam-ul-Haq, and send two coaches home before the series against England ended sent shockwaves
'Fixing' concerns are hovering over the Pakistan cricket team, with veteran players Mohammad Rizwan and Imam-ul-Haq in the spotlight.
The PCB on Monday decided to send seven members, including Mohammad Rizwan and Imam-Ul-Haq, of its touring Test squad home and replace them with a fresh set of players ahead of the third and final match against England.
Pakistan's interim red-ball head coach Mike Hesson on Friday distanced himself from the decision to drop senior players Mohammad Rizwan, Salman Agha and Imam-ul-Haq from the Test squad following a disastrous tour of England.
The PCB offloaded seven players and some members of the team management, including head coach Sarfaraz Ahmed, following the 194-run loss to England in the Lord's Test last week.
A Pakistan cricket team player refused to attend the team's meeting with King Charles III at Clarence House despite being instructed to attend the event ahead of the third Test against England, according to a report.
The report added that the PCB has also expressed concerns over wicketkeeper Mohammad Rizwan's discipline and could take strict action against him in the future.