All Progressives Congress National Leader, Bola Tinubu, on Tuesday, cancelled his 13th Birthday Colloquium to honour victims of the Kaduna train attack. He made the announcement at Eko Hotels in Lagos, the venue of the 13th Bola Ahmed Tinubu Colloquium with the theme, ‘Pivoting Nigeria Into The New Order’. According to him, the attack was a “national tragedy” and over …