Shock on beach as 'loud explosion' sends dark smoke into air - this is what it was A walker said everyone stopped and stared after hearing the loud bangs on Sunday lunchtime The video will auto-play soon8Cancel Play now Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice A huge boom was heard across Redcar with a controlled demolition at one of the regions' industrial landmarks. The controlled explosion flattened two coal conveyors at the former Redcar steelworks.