Israel's top court on Sunday struck down a landmark deal regulating exploitation of Mediterranean gas reserves, in a major defeat for Prime Minister Benjamin Netanyahu.
Prime Minister David Cameron said British and Indian companies will announce deals worth a total of £9.0 billion during his Indian counterpart Narendra Modi's visit to Britain.
Japan and Turkmenistan signed a raft of energy and other deals worth more than $18 billion during a Japanese leader's first-ever official visit to the reclusive country.
President Barack Obama ordered the US government to take steps towards lifting sanctions on Iran, in accordance with the historic nuclear deal struck between six world powers and Tehran.
Israel's prime minister savaged the nuclear deal with Iran, falling silent for nearly a minute at the United Nations in protest and offering to resume direct peace talks with the Palestinians.
US President Barack Obama expressed optimism that a vast Pacific trade deal can be reached before the end of the year, despite disputes over rules for key sectors.
They are rivals on the campaign trail, but Republican presidential challengers Donald Trump and Senator Ted Cruz joined forces at a rally denouncing the Iran nuclear deal being debated by the US Congress.
US Defense Secretary Ashton Carter offered assurances that the Iran nuclear deal will leave Washington with a "more effective" military option if that becomes necessary.
France and Britain are to sign a deal Thursday aimed at alleviating the migrant crisis in Calais, where thousands of people desperate to cross the Channel have gathered in slum-like conditions.