SOUTH Australia is in the grips of a “very nasty cluster” after five more people yesterday tested positive to coronavirusFOUR states are under fire for “kneejerk” decisions to shut their borders to South Australia, as the Federal Health Minister says there is no medical justification for the closures.MOTORISTS driving along Adelaide’s most dangerous stretch of roads are more likely to have a crash on Monday or Thursday afternoons.The Adelaide Strikers’ BBL squad – and a handful of SA-based players in other T20 teams – Forced to leave Adelaide on a charter flight to Coffs HarbourFor updates and breaking news throughout the day take out a subscription at advertiser.com.au