Now playing Next world news A massive volcano is sliding into the sea. History shows that could be catastrophic. If the volcano's flank suddenly collapses, it could trigger a tsunami that has the potential to devastate the region. 28/10/2018
Now playing Next world news Attacks on Jewish people rising on Instagram and Twitter, researchers say Many but not all of the posts mention billionaire investor and philanthropist George Soros, who was among the targets in a series of attempted bombings. 27/10/2018
Now playing Next world news Synagogue shooting suspect threatened Jewish groups, pushed conspiracies The suspect frequently wrote on the social network Gab, where he made a specific threat against Jews hours before allegedly conducting Saturday's attack. 27/10/2018
Now playing Next USA Reactions to Pittsburgh synagogue shooting Reactions in the wake of Pittsburgh synagogue shooting 27/10/2018
Now playing Next world news Comets and asteroids may be spreading life across the galaxy Are germs from outer space the source of life on Earth? 27/10/2018
Now playing Next world news Serial 'swatter' will plead guilty to all charges related to man's police death Prosecutors say Barriss has called into prank police calls across America. 27/10/2018
Now playing Next world news Some conservatives scramble to drown out far right 'false flag' theory With the arrest of a suspect who vehemently supported Trump, some conservatives tried to quell a far right conspiracy theory that edged into the mainstream. 27/10/2018
Now playing Next world news Political commentator said she warned Twitter two weeks ago about bomb suspect Rochelle Ritchie said Twitter told her at the time that the account did not violate any of its policies. It has since been suspended. 27/10/2018
Now playing Next world news This astronomer fears a physics experiment could swallow up the entire universe Just how real is the risk? 27/10/2018
Now playing Next world news Facebook uncovers more disinformation activity tied to Iran Facebook, along with Twitter and Alphabet, in August removed hundreds of accounts tied to an Iranian propaganda effort. 27/10/2018
Now playing Next world news How they caught him: Fingerprint led authorities to mail bomb suspect "We see unbelievable work like this on TV and in Hollywood, but to see it up close in reality is something to behold," said FBI director Christopher Wray. 26/10/2018
Now playing Next world news Facebook removes fake accounts tied to Iran Facebook announced that it had removed multiple pages, accounts, and groups from Facebook and Instagram that were part of a coordinated disinformation campaign originating in Iran. 26/10/2018
Now playing Next world news Package bomb suspect Cesar Sayoc arrested: Here's what we know so far This is the latest development after authorities arrested a Florida man and charged him with five federal crimes. 26/10/2018
Now playing Next world news Republicans divided over whether Trump should tone it down on the stump As an edgy nation watches, the president has to weigh whether the benefits of firing up his loyalists outweigh any potential risk of a backlash if he sticks to his usual script. 26/10/2018
Now playing Next world news Mail bomb target John Brennan slams Trump on Twitter after president lashes out at media The president's Twitter comments came after he talked about unity and civility before a bill-signing event at the White House Wednesday afternoon. 26/10/2018
Now playing Next Italy African migrants arrested in connection with Italian teenager's death | The Cube Three migrants have been arrested in connection to the drugging, rape and death of 16-year-old Desiree Mariottini in Rome 26/10/2018
Now playing Next Jordan Schoolchildren among 18 killed by flash flooding in Jordan | The Cube Flash flooding in Jordan's Dead Sea area swept a bus carrying dozens of school children away on Thursday afternoon 26/10/2018