By SABC Sport
14th March 2024
The news emerged after the City playmaker was not included in Belgium's squad for their international friendlies against the Republic of Ireland and England later this month.
The PA news agency understands the problem is not considered too serious by City and the club are hopeful he will be fit for their crucial Premier League clash with Arsenal on March 31.
It is nevertheless another setback for De Bruyne after missing most of the first half of the campaign following hamstring surgery.
It is unclear when the 32-year-old suffered the injury. He looked frustrated to be substituted after 69 minutes of last Sunday's 1-1 draw at title rivals Liverpool but there was no suggestion at the time he was injured.
It is City's second fitness blow in the space of a few days after goalkeeper Ederson was ruled out for up to four weeks with a thigh injury.
The Brazilian was hurt in a collision with Liverpool's Darwin Nunez - in which he conceded a penalty - at Anfield and was replaced by number two Stefan Ortega.