Get latest articles and stories on World at LatestLY. Sri Lanka's Cabinet was on Wednesday thrown into turmoil by the resignation of Aviation Minister Nimal Siripala De Silva while another senior minister demanded that Prime Minister Ranil Wickremesinghe should quit as the finance minister alleging that he halted all the projects that could bring in the much-needed forex to the country facing worst economic crisis. World News | Political Instability Deepens in Sri Lanka as Aviation Minister Resigns.