Saudi Arabia – Four workers were injured after the roof of a building under construction collapsed in Mecca. The Operations Room received today a report on the collapse of wooden roof of a building under construction at Crown Princes plan. The dimensions of the collapsed part are estimated at 6 × 8 m. The official SPA news agency quoted a spokesman for the General Directorate of Civil Defense in Makkah. . Nayef said that 4 workers were injured at the site, and that the investigation team in the administration began to identify the causes of the accident in coordination with the concerned authorities.