Matt Hancock has warned Britain is at a “tipping point” as he refused to rule out a second national coronavirus lockdown.With cases on the rise, Hancock said there was a danger the numbers could “shoot through the roof” unless effective action was taken to halt the spread of the virus.His warning came as the UK Government announced anyone in England who refuses an order to self-isolate could face a fine of up to £10,000.He said: “This country faces a tipping point.