Tasek Gelugor MP Wan Saiful Wan Jan has challenged DAP secretary-general Anthony Loke to give his guarantee that there will be no change of Penang chief minister should Pakatan Harapan win the upcoming state election.

This comes after Loke yesterday told the Bersatu leader to mind his own business, in response to Wan Saiful’s allegation of infighting between factions within DAP.

“I want to challenge Loke to prove that...