Hanoi, April 2 -- Hanoi (VNA) - Vietnam has been stepping up diplomatic efforts to help ensure energy security amid growing global uncertainty, Spokesperson of the Ministry of Foreign Affairs Pham Thu Hang said at the ministry's regular press briefing on April 2. Responding to reporters' questions on the issue, Hang said relevant ministries and agencies, including the Ministry of Foreign Affairs and Vietnam's overseas representative missions, are fully aware of their responsibilities and swiftly implementing directions from the Politburo, Secretariat, and leaders of the Party and State to minimise the impact of tensions in the Middle East on Vietnam. The Ministry of Foreign Affairs, together with the Ministry of National Defence, the Mini...