There was summertime sadness in store for some of Lana del Rey’s fans, who branded her Reading Festival set “underwhelming” and “mediocre” – and to add insult to injury, the American songstress took to the stage late.

Although the several-minute delay wasn’t major, it irritated partygoers who’d been hoping to catch the set in its entirety – and the festival’s organisers issued an apology for being forced to pull the plug on last night’s performance. Taking to social media, they explained:…