East Sussex health chief Darrell Gale says he is worried after the number of cases in Hastings and Rother soared ahead of next week s review of the government s Tier system next week. East Sussex is currently in Tier 2 AN EAST Sussex health chief is urging people to help control this situation together after a concerning rise in coronavirus cases in the area. There have been 598 positive Covid-19 tests in the area in the last seven days, East Sussex County Council said, marking a stark increase from the week before. Hastings and Rother have witnessed the greatest rise in confirmed cases.