The right to switch off when outside work is key to productivity and could boost the UK's economic growth, Downing Street has said.

In the wake of the L.A. riots, groups protested outside work sites and blasted contractors for giving jobs to Latinos instead of Black workers because the former group would work for cheaper than the latter.

It had been suggested such a wider ban could include all outside work apart from roles requiring continuous practice to keep professional registrations, such as working as a doctor or lawyer.

There are concerns that Japanese workplace norms tend to lead to extremely long hours and rarely meeting people outside work.

Even Ai Qing, who speaks the language of her host country fluently, has little interaction with Argentines outside work.