Sinéad O’Connor is said to have died from a “broken heart” after the death of her teenage son. The ‘Nothing Compares 2 U’ singer, who was found dead at her rented flat in London on 26 July aged 56, was left devastated by the passing her boy Shane by suicide at the age of 17 in January 2022. Sinéad’s friend and producer David Holmes, 54, who was working with her on her final album at the time of her death, says in a new RTÉ documentary ‘Sinéad’: “Even though Sinéad was this incredibly resilient survivor, I totally believe that people can die of a broken heart.” Belfast-born David spent five yea…