That doesn't make him a Hamas supporter.
Curfews were immediately imposed in the area and troops rounded up more than 100 people, mostly Hamas supporters.
Many Hamas supporters openly voted in what was viewed as a serious rebuff to the militants.
Following the bombing, an estimated 20,000 Hamas supporters in Gaza took to the streets to celebrate.
The December attack is thought to have been carried out by Hamas supporters.
But other Hamas supporters repeatedly shooed the stone-throwers away rather than risk a serious confrontation before television cameras.
Law enforcement agencies said they were monitoring several groups of Hamas supporters in the United States.
About 14 seats will go to independents, some of them Hamas supporters, he said.
Hamas supporters appeared to stay away from the polls, but they did not disrupt the voting.
People in attendance said more than 15,000 Hamas supporters were at the rally.