New York shares opened trading on Tuesday on the upswing, as investors brushed off recession and pandemic fears to capitalize on low prices after last week's dive.

Ukraine accused Russian energy giant Gazprom on Tuesday of illegally cutting natural gas supplies to European countries in a move that has seen EU member states scramble to fill the energy shortfall. 

"Gazprom has limited gas supplies to Europe for far-fetched and illegal reasons, justifying this by saying Nord Stream 1 is not operating at full capacity," said Yuriy Vitrenko, the head of Ukraine state energy company Naftogaz. 

Beirut Attorney General Judge Ziad Abu Haidar on Tuesday rejected anew to press charges against Central Bank Governor Riad Salameh as requested in a memo sent to him by State Prosecutor Ghassan Oueidat, LBCI TV reported.

An agreement was signed Tuesday in Beirut for importing Egyptian natural gas to Lebanon through Syria.

"The importance of this deal... stems from the fact that it will secure an additional four hours of electricity per day following its implementation," caretaker Energy Minister Walid Fayyad said.

It's not a summer heat wave that's making European leaders and businesses sweat. It's fear that Russia's manipulation of natural gas supplies will lead to an economic and political crisis next winter. Or, in the worst case, even sooner.

Here are key things to know about the energy pressure game over the war in Ukraine:

A delegation of Egyptian business leaders was in Israel on Monday, the first such visit in a decade, in a sign of "warming" ties between the two countries, Israeli officials said. 

Dubai's vast Expo 2020 site is to reopen as Expo City Dubai, a "city of the future" with housing, businesses and leisure facilities, officials said on Monday.

China ramped up crude oil imports from Russia in May, customs data showed Monday, helping to offset losses from Western nations scaling back Russian energy purchases over the invasion of Ukraine.

Unions and train companies in Britain are set to hold last-minute talks Monday amid fading hopes of averting the country's biggest rail strikes for decades.

Up to 40,000 cleaners, signalers, maintenance workers and station staff are due to walk out for three days this week, on Tuesday, Thursday and Saturday, in a dispute over pay and job security at a time of soaring inflation.

Weeks of negotiations on safe corridors to get grain out of Ukraine's Black Sea ports have made little progress, with urgency rising as the summer harvest season arrives.

Countries like Lebanon, Somalia, Libya, Egypt and Sudan are heavily reliant on wheat, corn and sunflower oil from Ukraine and Russia.