let s speak live to volcanologist david pyle from the university of oxford. david, we talk about the toxic gases being released as we see the lava mixing with the ocean. just explain why they are toxic, why should we be worried about them? yes. why they are toxic, why should we be worried about them? worried about them? yes, the gases escain: worried about them? yes, the gases escaping off worried about them? yes, the gases escaping off the worried about them? yes, the gases escaping off the lava worried about them? yes, the gases escaping off the lava flow, worried about them? yes, the gases escaping off the lava flow, as - worried about them? yes, the gases escaping off the lava flow, as it i escaping off the lava flow, as it runs down towards dc, are rich in volcanic gases like sulphur. they are really nasty and uefa but when the model reaches the sea level it boils the sea water dry, it comes into contact with dilaver but when the model reaches. the second thing is the