Nawaf Salam, who has been designated as the new Prime Minister of Lebanon, has resigned as a member of the International Court of Justice, said the ICJ on Tuesday.

Lebanon’s new president has asked prominent diplomat and jurist Nawaf Salam to form the country’s new government after Salam was named prime minister by a large number of legislators Monday. The move apparently angered the Hezbollah group and its allies.

The appointment of Nawaf Salam, the president of the International Court of Justice (ICJ), as prime minister of Lebanon has many Lebanese feeling optimistic. His success in securing enough votes in parliament on Monday caps off a rapid period of political change after Joseph Aoun was elected president last week,