Office for Budget Responsibility to tear up forecasts for UK growth

Independent economic watchdog expected to predict post-Brexit UK will have low growth, higher inflation and larger deficit

The government's independent economic watchdog will tear up its previous forecasts for the UK's growth prospects as it gives its first official verdict on the outlook for post-Brexit Britain this week.

The Office for Budget Responsibility is expected to paint a gloomy picture of lower growth, higher inflation and a larger-than-expected deficit as the UK negotiates its way out of the EU.