texas power grid operator to warn people to cut back on the ac or face possible blackouts. extreme heat also roasting southern europe with wildfires raging in france and spain and a worsening drought in italy and portugal. and in the uk, monday was the third hottest day on record and today promises to be even hotter. even china is experiencing a massive heatwave with dozens of cities announcing heat alerts. we have live reports from north america, asia and europe and our coverage begins with melissa bell in france. reporter: southern europe in flames. vast swathes of the mediterranean engulfed by wildfires driven by the sweltering temperatures of europe s second heatwave this summer. from portugal through spain, italy and france, where one of two massive fires near the city ten to rage and spread. down here on the ground, you get a real sense of what the firefighters are facing. these parched conditions, the earth already dry for so many months of high temperatures and hose
people traveling on trains as flames roared near the tracks. in france the fires forced at least 37,000 people to evacuate. in uk today was the hottest day ever. 104 degrees fahrenheit. the heat is triggering fires around london now as well. back here in the u.s. 60 million people will experience triple digit temperatures in the next week. there is no bigger story right now, no issue affecting more people, billions of people. the u.n. secretary-general says half of humanity is in the climate danger zone. and he had this warning. we have a choice, collective action or collective suicide. it is in our hands. we have team coverage all across the globe. let s start with nina. london fire officials are facing major strains. what are you seeing? reporter: yeah, that s right. we ve seen the specter of those wildfires that are raging across southern europe, ana, hit here on the fringes of the britishcal tal three miles away from where i am. there was a wildfire burning and ther
one person who will not be in the room? yeah, that s committee chairman congressman bennie thompson. he s announced that he has covid. it s not clear if the chairman will appear virtually, but he says that his covid diagnosis will not disrupt the committee s plan. members say this eighth hearing will focus on the 187 minutes the former president trump failed to intervene as his supporters marched on the capitol, swarmed the halls of congress, and did this, took over the building there. also today, a jury has now been seated in the trial of trump s chief strategist, steve bannon. bannon is facing two criminal counts for failing to comply with subpoenas from the house january 6th committee. cnn congressional correspondent ryan nobles joins us now from capitol hill. so, what is the committee hoping to learn from these witnesses, matthew pottinger and sara matthews? reporter: victor and alisyn, they re firsthand witnesses to what was happening inside the white house on janu
reportedly discussing among themselves about using their own constitutional power to stop the president. what those who talked already have said to the committee and what others might say, we just don t know, but what they could say given the positions they held and what they were privy to is formidable. they include secretary of state mike pompeo, who we first reported last night is expected to sit down with the house select committee, perhaps as soon as this week. also former treasury secretary steven mnuchin, who we learned today has already been interviewed by the committee. negotiations are underway with the former director of national intelligence, john ratcliffe, for a sitdown with him. and finally there s former acting white house chief of staff mick mulvaney, who we spoke with earlier this week on the program. he was spotted on his way out, after speaking with the committee today. mulvaney, as you know, was serving as envoy to northern ireland when the attack happene
49 years later, is going to join us here tonight. no way, really? to talk about what it is really like to be that star witness in that kind of presidential investigative hearing, in what is now the cassidy hutchinson role, and what we ve seen. he was subpoenaed, just like she was subpoenaed, and it was obviously, it s a unique experience, and a unique perspective to get on what we are watching, and what we will be watching tomorrow. i can t believe i went all day-to-day without knowing the butterfield will be on the show tonight. how come nobody came in and rang my bell about this. you are supposed to know immediately about this, these are not supposed to take you by surprise, i don t know what happened at the system. but it s really exciting, and we do have to reach back that 50 years, for people who actually have lived through things like this. yes, exactly right. and, arguably, what we ve learned from the january 6th committee, is already describing a scope of cr