BRUSSELS, March 2 -- World leaders urged peace and a return to talks as the military strikes by the United States and Israel on Iran raised concerns about whether the violence could spread across the region and tensions rose with Iran vowing devastating blows after the killing of Iran's Supreme Leader Ayatollah Ali Khamenei. Top diplomats from the 27 European Union nations are holding an emergency meeting Sunday to discuss the situation around Iran and the next steps for the bloc. "The Iranian regime's indiscriminate attacks against its neighbours carry the risk of dragging the region into a broader war and we condemn this," said EU foreign policy chief Kaja Kallas as she announced the bloc's meeting on Sunday. "It is essential that the war does not spread any further. The Iranian regime has choices to make."ap...