Familly, friends and colleagues are preparing to mourn the NYPD officer killed in this week’s Manhattan office attack at a funeral Thursday, less than two days after hundreds stood in salute as his casket received a dignified transfer to the mosque where he’ll be remembered.

Family, friends, and colleagues are mourning an NYPD officer who was killed in a mass shooting in a Manhattan building Monday evening. Officer Didarul Islam, 36, was on duty working a private security detail when he was fatally shot in the lobby at 365 Park Ave.