Is that one household? Diners sit in groups of four at Westfield shopping centre in Tier 2 London

Scores of people gathered for a bite to eat in the capital today, despite new lockdown rules forbidding friends from different households from doing so. https://www.dailymail.co.uk/news/article-8856113/Is-one-household-Diners-sit-groups-four-Westfield-shopping-centre-Tier-2-London.html?ns_mchannel=rss&ns_campaign=1490&ito=1490