but we are continuing to work to find motive and we will continue on that path. in terms of the resolution of the incident, the hostage taker is deceased. the governor of texas, greg abbott, tweeted. the police were alerted when the suspect was heard speaking on the live stream of a sabbath service. witnesses say he was ranting, at times apologising and talking about the pakistani neuroscientist aafia siddiqui, who is serving an 86 year prison sentence in texas for shooting at soldiers and fbi agents in afghanistan. aaifia siddiqui s family said the man was not related to the jailed scientist. the authorities say there is no evidence to suggest an ongoing threat, and that an investigation will continue to try to establish the suspect s motives. peter bowes, bbc news, los angeles. details are emerging of the powerful impact of the volcanic eruption that has