Bayern Munich manager Vincent Kompany was taken to hospital after collapsing as he watched the club's second team train on Friday.
The 40-year-old had been unwell with a virus and missed the pre-match news conference on Tuesday prior to Bayern's Champions League game against Arsenal.
The former Manchester City and Belgium defender was subsequently on the touchline for the match on Wednesday.
Reports in Germany say Kompany is in a stable condition in hospital.
"Vincent Kompany required medical attention after collapsing during an FC Bayern reserve team training session on Friday," said a statement from the Bundesliga club. , external
"The first-team head coach was watching the second string's session.
"Kompany is undergoing thorough examinations in hospital and will remain under medical care.
"His coaching staff will oversee training and match activities until further notice."
Bayern's next game is against Freiburg in the German top flight on Sunday.
"Vincent Kompany's health is our top priority.…