President Idriss Deby of Chad kicked off his campaign for a sixth term on Saturday, calling for unity after rival protests were banned. The first rally since the start of the official election period on Thursday was held by Deby’s Patriotic Salvation Movement (MPS) at a packed stadium in the capital, N’Djamena. Deby, who has ruled for 30 years and is widely deemed a shoo-in for another term, said he had fought for national unity, while also drawing a line in the sand for his opponents. “People must know that democracy is not synonymous with disorder,” the incumbent warned. “Those who believe that should go elsewhere.” On Thursday, three opposition candidates quit the race ahead of the April 11 ballot with one of them — Mahamat Yosko Brahim — saying the climate was “not favourable for fair ...