Letters: Dr Charlie Gardner says the public are vastly overestimating the cost of net zero. Plus letters from Moira Gommon and Diana Francis

Andy Burnham has won the Makerfield byelection by more than 9,000 votes, beating Reform UK comfortably and positioning himself as the frontrunner to replace Keir Starmer as Labour leader.

The Reform leader and his media cheerleaders have cynically exploited the murder of Henry Nowak.

Tony Blair’s departure as PM should have prompted a fresh start for Labour. But Starmer’s sad, backward-looking government remains in his thrall, says Guardian columnist Aditya Chakrabortty

The former minister paints damning picture of structural issues affecting 1 million young people in the UK

We can only hope that the other 1,400 or so newly elected Reform councillors are a little more clued up than these guys.

Some practical tips for keeping cool

Some argue that quitting the platform formerly known as Twitter cedes the space to malign actors. But it’s an open sewer, beyond redemption, says Guardian columnist Jonathan Liew

The far-right former Trump adviser told Jeffrey Epstein that "we are overthrowing May right now" as he worked with Boris Johnson to remove the then Conservative Prime Minister from office