in glasgow, scotland, where protesters are calling for more action on climate change. >> yuccas: last-chance tourism it's rush to see the changing sights of a warming planet. and later, three cheers. politicians raise a glass to working together. >> the country would be a lot better off if everybody would be willing to sit down and kind of have a beer together. >> this is the "cbs weekend news." >> yuccas: good evening. i'm jamie yuccas. adriana diaz is off. tonight, police in houston are investigating a deadly crush at a music festival. at least 50,000 fans were there to hear rapper travis scott when chaos in the crowd turned to panic. at least eight people were killed and many more injured. one concert-goer called it hell. in a statement posted on twitter, scott said he's devastated by the deaths and that investigators have his total support. cbs' lilia luciano is in houston tonight with the very latest.