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As part of the scheme, the Housing Executive installed door and window alarms, flood lights, cameras and heavy-duty door locks.

They were equipped with heavy-duty bolt-cutters, angle grinders, glue, sand, Just Stop Oil high-visibility vests and a leaflet containing instructions to follow when interacting with police.

In the coming days, Republicans plan to undo additional California clean-air rules that require the state’s heavy-duty truck fleet to adopt cleaner engines and a growing percentage of zero-emission vehicles.

The day before, the House voted along similar lines to end California’s ability to set emissions standards for heavy-duty trucks and to combat smog levels in the state.

Paul Leighton is packing his rucksack with a heavy-duty hammer, pry bar and evidence bags for what he describes as "just an average day out".