(Bloomberg) -- Fighting between Israel and Hezbollah continued unabated in southern Lebanon, casting fresh uncertainty over planned talks between the US and Iran to permanently end the war in the Middle East and curb Tehran’s nuclear program.

A formal signing ceremony and talks planned for Friday in Switzerland between Iran and the United States were called off, as fighting between Israel and Hezbollah intensified in…

(Bloomberg) -- The US and Iran have postponed the start of their negotiations over a permanent peace deal and restricting the Islamic Republic’s nuclear program.