this is bbc news. the headlines... around 100 people have died after a massive explosion when a fuel tanker collided with a lorry in sierra leone's capital, freetown. fuel spilled before igniting and the resulting inferno engulfed bystanders and vehicles at a busyjunction. the vice—president has called it a "national disaster". police investigating a deadly crash at a music festival in the us state of texas say they're looking into reports that someone in the crowd was injecting others with drugs. eight people died in the stampede at the music festival in houston, when fans pushed towards the stage, causing panic. marches have been taking place in more than 200 cities around the world as part of what's been described as the "global day of action for climate justice". tens of thousands of people took to the streets of glasgow, where the un's cop26 climate talks are taking place.