With sirens wailing and blue lights flashing, Israeli police chased a van with explosives on a main highway Tuesday and captured a group of Palestinians who defense officials say planned a major bombing ahead of national elections. Israel’s parliamentary election is set for March 28; Palestinian attacks have altered the outcome of past balloting. After chasing down the group halfway from Jerusalem to Tel Aviv, jittery security forces extended a closure on the West Bank and Gaza through election day. Full Story