Syria on Wednesday opposed deployment of an international force along its border to prevent arms shipments to Hezbollah, and Israel called the situation in Lebanon “explosive.” A cease-fire was further shaken by artillery shells and explosions that killed three Lebanese soldiers and an Israeli. Lebanese Prime Minister Fuad Saniora asked the U.S. to help lift an Israeli blockade on his country’s coast and airport — something Israeli Prime Minister Ehud Olmert said would not happen until U.N. troops deployed along the Lebanon-Syria border to block the flow of weapons. Hezbollah’s vast arsenal of rockets and other weapons, much of which is believed to originate in Iran, reaches the guerrillas across the Syrian border. Full Story