<span style="color: #222222;">In Iran, at least 11 people have been killed and 42 injured in an explosion of a heating gas pipe during a wedding ceremony in the western part of the country.<br />'' <br />'' Iran's state TV reported that five children and five women were among those killed in the explosion.<br />'' <br />'' Three of the injured were reported to be in serious condition.<br />'' <br />'' The TV report said, the incident happened following a leak from the pipe feeding the heater inside the wedding hall.<br />'' <br />''<br />''The government announced one-day public mourning in western Kurdistan province.</span><br />