- An app driven by a SIM card is installed in the bin
- An infra-red sensor in the bin works out how full it is
- Messages are then sent by text to Westminster City Council
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Six people have been injured and a man has been arrested after an alleged noxious substance attack in east London.
Save Your Uber in London was set up after it was announced the firm would not have its licence renewed when it expires next week.
Survivors are still traumatised, homeless and want answers.