At least eight people are injured and 250 others are stranded as Mount Ontake volcano erupts in Japan Saturday.<br/> <br />Thick grey clouds of ash were billowing into the air along with small rocks, witnesses said.<br/> <br />Rescue efforts are underway to retrieve those still stranded.<br/> <br />Officials said airplanes have been diverted to avoid the ash clouds.<br/> <br />The volcano is located about 125 miles west of Tokyo.
