Ghana's former president and opposition candidate, John Mahama (2012-2017), holds a final rally in the capital, Accra, ahead of a tight presidential election. "I am committed to building a stable, secure and viable 24-hour economy that will create opportunities for the creation of millions of jobs," vows the NDC party flag-bearer, who says he deserves another shot at the top seat. IMAGES AND SOUNDBITES [TO COMPLETE 36PH4H8_EN]