Pakistan Tehreek-e-Insaaf (PTI) posted a video of the incident on their X handle, captioned 'Release Imran Khan'
source https://sports.ndtv.com/t20-world-cup-2024/aircraft-carrying-release-imran-khan-message-flies-over-stadium-during-india-vs-pakistan-t20-wc-match-5854308#rss-sports-cricket
source https://sports.ndtv.com/t20-world-cup-2024/aircraft-carrying-release-imran-khan-message-flies-over-stadium-during-india-vs-pakistan-t20-wc-match-5854308#rss-sports-cricket