This was the grim scene in the Nigerian city of Lagos after a Dana Air flight from Abuja crashed into a building.<br/> <br />All 147 people on board the McDonnell Douglas MD-83 were killed.<br/> <br />The crowd of onlookers was so dense that emergency services weren't immediately able to get through.<br/> <br />One witness said the plane seemed to be coming straight towards her.<br/> <br />SOUNDBITE: GIFT ONIGBO, WITNESS, SAYING (English):<br/> <br />"When the plane passed it bent and we thought the plane was going to land, the plane, and the next thing we heard a sound, the next thing we heard a sound, we noticed that the plane has already crashed."<br/> <br />The plane plunged into a tin-roofed two-storey building as it was coming in to land.<br/> <br />The cause of the crash is not yet clear.<br/> <br />An investigation is underway.<br/> <br />President Goodluck Jonathan's declared three days of national mourning.<br/> <br />Paul Chapman, Reuters
