between the brake pedal and the braking system failing. now on bbc news, it s time for click. this week we are live at the hay festival for 100 years of the bbc in 23 minutes. we ll look at the secrets behind the broadcasting technologies that changed the world. a radio legend talks about legendary radio. i used to set my watch by the pips, and my favourite pip is always the last one because it s extended. and artificial intelligence goes bird spotting and in the quest for greener energy, 0mar discovers a tasteless fluid cold water. it goes in your mouth and then disappears? this book was. writing this much. we are back and it s brilliant. after an unbelievable three years, the hay festival is back to its full glory. gathering together authors and thinkers, bookworms and those with the writing bug. it s all the same to me, ijust like writing, can t stop. it s so good to be back and this year especially is a really special year. not only is the queen celebrating 70 years on th
this is bbc news. the headlines: huge crowds gathered in front of buckingham palace for a spectacular open air concert, marking a high point of the celebrations for queen elizabeth s 70 years on the british throne. in a tribute to his mother, prince charles praised what he called a lifetime of selfless service. russia says ukrainian troops in the eastern city of severodonetsk have suffered critical losses and are retreating. ukraine insists it is still pushing back russian forces, despite the city remaining the main goal of russia s offensive. soldiers from both sides are locked in fierce street battles. mercedes benz has recalled nearly a million older vehicles worldwide. the callback is due to a potential problem with the brakes in some cars built between 2004 and 2015. in the worst cases, corrosion could lead to the connection between the brake pedal