Chevron has declared force majeure at Israel’s Leviathan natural gas field after the government ordered a temporary suspension of production on security grounds, marking the second time in less than a year that hostilities with Iran have disrupted Eastern Mediterranean gas flows. Israel’s energy ministry directed operator Chevron to shut in Leviathan following joint U.S.-Israeli strikes on Iran and subsequent retaliatory action across the region. Partner NewMed Energy said the suspension followed guidance from security authorities,…