Qa'dah 23, 1431, Oct 31, 2010, SPA -- Qatari Deputy Prime Minister and Minister of Energy and Industry Abdullah bin Hamad Al Attiyah left here Sunday morning for Singapore, heading his country's delegation to the Singapore International Energy Week, due to starts its deliberations on Monday. During the visit, he will also hold talks with Singaporean officials and heads of major companies specialized in energy and industry affairs, according to a report of Qatar News Agency (QNA).