Violence was feared in Nigeria’s presidential poll and isolated <br />incidents have occurred from north to south, with car bombs and reports of several people being killed by insurgents as they tried to vote.<br /><br /> It follows threats by Boko Haram Islamists to sabotage the ballot.<br /><br /> But the biggest disruption to Saturday’s election, including for sitting President Goodluck Jonathan, has stemmed from technical problems with the electronic accreditation system. He had several failed attempts to register.<br /><br /> There were no such complications for his rival, former military ruler Muhammadu Buhari, in what is seen as the closest presidential race since the end of military rule in 1999.<br /><br /> Tension will remain after the poll.<br /><br /> Post-election violence in 2011 when Jonathan, a Christian from the south, defeated Buhari, a Muslim from the north, left some 800 people dead.<br /><br /> For now, delays in voting have caused frustration for those trying to exercise their democratic rights.<br /><br /> “I came here at around 7 am a
