CAIRO // About 28 per cent of Egyptian voters cast ballots in a staggered parliamentary election, the election committee announced on Friday.Ayman Abbas, head of the election committee, announced at a press conference that 28.3 per cent of voters, roughly 15 million people out of a total of some 53 million, had cast ballots in voting that took place over more than six weeks.Voters cast ballots for 120 seats that went to party lists and remaining seats for individual candidates.