Why Pakistan were forced to shift Sri Lanka Test from Lahore to Rawalpindi

Pakistan has moved the second Test match against Sri Lanka from Lahore to Rawalpindi, meaning both Tests in the series will be held at the same venue. The second match is scheduled to run from November 17 to 21, with the dates remaining unchanged. The reasons behind the venue shift were not fully detailed in the excerpt, but the decision was made by Pakistan cricket authorities.