Gerard Batten claims it it the latest of a series of attempts to intimidate UKIP activists and campaigners across the UK.
Gerard Batten added:
"We have seen UKIP premises vandalised, billboards destroyed and elected representatives, campaigners and activists targeted with physical and verbal abuse. Many if not all of these attacks appear to have been driven by the hard left and their allies operating under the guise of 'anti-racism'."
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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.