Ambulance crews were seen at the high street by the junction with Haywards Road on Tuesday (February 18).
A spokesman for South East Coast Ambulance Service told the Middy: “I can confirm we were called at approximately 3.15pm on Tuesday, February 18, to reports a person had collapsed outside Lloyds Bank in Haywards Heath.
“Ambulance crews attended the scene and a person was given emergency treatment before being taken to hospital in a serious condition.”