Explosion at Dubai landmark The Palm: witnesses
The attack came as Iran carried out retaliatory strikes in the oil-rich Gulf following US and Israeli attacks -- rattling a region long seen as a haven of peace and security.
One of the witnesses said he saw thick black smoke rising from a hotel on the Palm and heard ambulances rushing towards the scene.
The Dubai media office later confirmed an "incident" in a building in the Palm Jumeirah area that resulted in a fire and four people injured.
"Dubai Civil Defence has confirmed that the resulting fire is now under control.