Diana's husband Adam told ITV London that the public need to stand up and say "this isn't good enough."
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Union officials are expected to meet next week to plan further stoppages if talks fail to resolve the dispute.
Natalie Sharp and Christine Bicknell appeared in court over an alleged incident at a Lidl superstore in Wallington, south London.
Dry with clear spells periods across the south tonight, further north, cloudier conditions bring the chance chance of light showers.