Slums stand between Lagos and megacity ambitions With a population of 20 million that is projected to reach 30 million by 2025, Lagos has become a true megacity. To avoid paralysis on the city's already gridlocked streets, planners are building a network of suburban railway lines and segregated bus lanes. But standing in the way of progress are numerous slums, with campaigners claiming that hundreds of households have already been evicted, without warning or compensation. A Natural Sound Version of an AFPTV Report. REFILE OF A PREVIOUSLY TRANSMITTED REPORT.