Born in a ghetto of the capital Monrovia, Liberia's football star turned president, George Weah, promised to help disadvantaged youth. But, two years into his six years term, he is struggling to revive a country that is one of the poorest in the world and still traumatised by a civil war that claimed a quarter of a million lives. Unemployment is endemic - aggravated by the recent withdrawal of 17 000 UN peace keeping troops. The spiralling exchange rate against the US dollar has sparked a hike in the prices of basic commodities causing widespread hardship for millions of Liberians. As the BBC's Lucy Ash reports, some resort to crime to survive - especially the underclass known as "zogos."