Firefighters are at the scene and say they "isolated the gas".

Waverley Borough Council says changing market conditions has prompted a change of the timeline.

The 57-year-old had just finished a gym session when he began feeling ill, the leisure centre says.

'It's too expensive,' is an excuse for avoiding exercise the world-over. But the trouble is, getting fit needn't cost fifteen pounds or more. Around the country leisure centres have got faaaaaaancy.