The Prime Minister’s chief of staff, Edgar Galea Curmi, yesterday filed three libel suits in connection with comments about him published on July 27.The cases were filed against the managing editor of MaltaToday, Saviour Balzan, the editor of the online version of Maltatoday, Matthew Vella, and the Labour Party’s communications coordinator, Kurt Farrugia.Lawyer Joseph Zammit Maempel signed the suits.