Is it accurate that at around 3 am in the morning on the 8th of June 2020 that Grosvenor Mine experienced an “Overpressure” Event from LW 104 Goaf that was later identified as an ignition of methane in the goaf due to spontaneous combustion?

Is it accurate that at around 3 am in the morning on the 8th of June 2020 that Grosvenor Mine experienced an “Overpressure” Event that caused a substantial change of around 200 pascals in the ventilation shaft pressure.?

Is it also true Anglo has determined this was due to a methane explosion in LW4 goaf and the ignition source has been identified as spontaneous combustion in the goaf?