Ashna Hurynag steps in as host of ClimateCast from COP26 in Glasgow. But there's one small problem... she's not there yet. Her and the Sky News production team struggle alongside hundreds of other passengers travelling to Glasgow, as severe weather and a fallen tree creates travel chaos up and down the country. But while train hopping, the group discuss what they're most looking forward to at COP26 and the outcome of the G20 summit in Rome.