A much-vaunted deal that would see Israel supply Egypt with 700mn cfd gas has been held up as the partners in Israel’s key offshore discoveries, 22tcf Leviathan and 11tcf Tamar, await Energy Ministry approval, adding a further unwanted delay to proceedings.

Israel’s Antitrust Authority (ATA) has also yet to rubber-stamp a $518mn deal that would see US firm Noble and Israel’s Delek, key partners at Leviathan and Tamar, along with Egypt’s state subsidiary East Gas,...