EL PASO, Texas -

Comedian Gallagher, known for smashing watermelons during his performances, will not perform tonight at Speaking Rock due to a heart attack.

Gallagher was scheduled to perform in Lewisville, Texas on Wednesday when he suffered a heart attack. Gallagher's manager told TMZ that the comedian suffered a mild to serious heart attack and would remain in the hospital.

Gallagher suffered a minor heart attack about a year ago.