According to this article:
Coronation Street star Bruce Jones was rushed to hospital yesterday after collapsing on set with chest pains, causing fresh concerns about his health.
Friends fear the star, who plays Les Battersby in the soap, has returned to his old drinking habit.
The actor was filming on the Street's cobblestones when he fell ill.
Co-stars and producers rushed to his aid and an ambulance arrived within minutes to race him to hospital.
A Coronation Street source told the Daily Mirror: "It looked pretty bad. Bruce was outside Les's house when he suddenly started to complain about feeling unwell.
"The next thing was him clutching his chest and stumbling to the ground. People were obviously upset and horrified and thinking the worst had happened."
"He looked dazed but seemed okay. The paramedics were hear (sic) in no time thankfully."
A spokeswoman for the soap said the problem was thought have been "something muscular in his chest. Nothing to do with a heart attack."
The article also mentions Bruce may have returned to a drinking habit, which has raised concerns over his health.
Get well soon, Bruce. And stay off the booze!