Tenant Catherine Hall said that when she rented through a letting agent she had to pay £890 for an inventory which was "out-of-date, with missing items and a lot of damage to the property since 2007".
"I had to pay a person I'd never met, to their private bank account, with no authority that this was legal, safe or I'd ever see my money again."
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The action is aimed at firefighters who strike for part of a shift instead of a full day.
Stunned passers-by could barely believe their eyes when part of Covent Garden looked like it was crumbling away and taking off.
The women were originally living at a nearby hostel but forced to move out when funding was cut.