Reporter gets a soaking on one of UK's wettest and darkest rollercoasters

Grand reopening of the UK's wettest and darkest rollercoaster, Valhalla, at Blackpool Pleasure Beach. We take a look at what riders can expect following the ride's £4m investment, including more than four minutes of high-speed action, plunging temperatures of -20°C and highs of more than 43°C.