A mud volcano has erupted in Azerbaijan, sending plumes of black smoke and flames up to 300m (980ft) into the sky. Government officials say cracks up to 40m deep have appeared in the area after ...

Following is a transcript of the video. This volcano is spewing boiling-hot mud. It's called Lusi and it lives on Java island. Lusi has been erupting for 11 years. On average, it erupts enough mud ...