Shortly before lunch, the lights went out, all the computers switched off and the entire office went silent for a few seconds. The electricity had gone off.
There was a rush to the kitchen as people wanted to make hot drinks before the water heater emptied or cooled down but after a minute the power came back on and all the computers re-booted.
We could log on to the computers but not the network server so at the moment we have no access to files or emails. Thankfully we still have Internet access so I'm posting this during what may turn out to be an extended lunch break...