U.S. envoy to Israel David Friedman also in attendance at ceremony. Trump: U.S. Embassy in Jerusalem "proud reminder of our strong relationship with Israel and of the importance of keeping a promise and standing for the truth."

Saudi energy minister decries "cowardly" attacks, says recent acts of sabotage target not only Saudi Arabia but world's energy supply and global economy. U.S. President Donald Trump says he would "absolutely" be willing to send troops to the Middle East, but that he's not planned for that and hopefully won't have to plan for that.

Lebanon has long sought energy development but political bickering and dispute with Israel over maritime border has caused delays. Two countries have unresolved maritime border dispute over a sea zone of about 330 square miles.

Many Eurovision contests were not held in the official capitals of the winning countries. In Israel's case, however, holding the event in Tel Aviv is a loss.

After the Islamist attacks, which killed over 250 and left hundreds more wounded, mobs are moving through the country's northwest, ransacking mosques, burning Qurans, and firebombing Muslim-owned shops.