for allegedly killing a security official during anti government protests. you re watching bbc news. now it s time for click. we will find out if hydrogen can do the heavy we will find out if hydrogen can do the heavy lifting we will find out if hydrogen can do the heavy lifting and we will find out if hydrogen can do the heavy lifting and check we will find out if hydrogen can do the heavy lifting and check out we will find out if hydrogen can do the heavy lifting and check out our latest merchandise. if you do not like the band, the logo comes back. once again, the leaders of the world have been coming together in an effort to fight climate change. figs effort to fight climate change. sis cop27 effort to fight climate change. is cop27 comes to a close, campaigners are warning that key commitments aimed at securing the future of the planet are at risk. in the year since cop26 happened here in glasgow, there has been a lot of criticism that the event was all talk and not muc