Members of the Public and Commercial Services (PCS) trade union stand on the picket line outside the Department for Business, Energy and Industrial Strategy (BEIS) on the second day of a 3-day strike by workers employed there by the outsourced contractor ISS on 20th July 2021 in London, United Kingdom. The striking cleaners, security guards and other support staff are demanding an end to low pay, improved working conditions, bonuses for having worked through lockdown, annual leave from last year and a Covid return-to-work protocol.