Coronavirus UK: Can I go the gym and pub under Tier 3 lockdown?

In tier three areas such as Liverpool and Lancashire, social mixing is banned both indoors and in private gardens, while pubs and bars must close unless they can operate as a restaurant. https://www.dailymail.co.uk/news/article-8863459/Coronavirus-UK-gym-pub-Tier-3-lockdown.html?ns_mchannel=rss&ns_campaign=1490&ito=1490