Delays at Channel crossings from the south of England have again brought traffic to a standstill on major routes in Kent. A 23-mile coastbound stretch of the M20 was closed from junction eight (Maidstone) to junction 11 (Westenhanger) to store thousands of lorries heading for the Port of Dover or Eurotunnel as part of Operation Brock. This is causing chaos on surrounding local roads. The A20 Roundhill Tunnel is closed under the Dover TAP scheme to prevent HGVs jumping the queue. Delays to Channel crossings are being driven by the suspension of P&O Ferries sailings after the operator sacked nearly 800 seafarers without notice last month. This is putting more strain on other ferry operators amid increased demand as many families travel overseas for Easter holidays. DFDS said P&O Ferries customers will be unable to transfer their bookings onto its Dover-Calais sailings between Friday and Sunday because of a lack …