ali rogin reports. >> we must vote! s nigeria today, voters worried that an election delayed would mean democracy denied. nafisat: yeah i'm really disappointed because they said it would start at 8:00 a.m. and up 'til now, i think it is 12:00 p.m., we have not started casting over votes. ali: many polling places opened late. others came under attack. this associated press camera was filming as shooters opened fire at this location in lagos, then fled with ballot boxes. voter: can you see what's happening now? they want to make sure they suppress others from voting. this is unfair, this is madness, this is not civilization. ali: nigeria's election commission had touted new measures this year to reduce election fraud and corruption, and they said polls would stay open late to make up for the delays. amidst the chaotic scenes, some optimism remained, especially among young voters. odinko: so many people came out. they want to take back their country that is why they all , turned out to vote. so me, i was excited, like i wok