Everton footballer Aaron Lennon has been detained under the Mental Health Act amid concern for his welfare.
The 30-year-old, who has 21 caps for England, was taken to hospital on Sunday to be assessed after officers were called to a road in Salford.
His club said he was being treated for a "stress-related illness" and his representative urged him to "stay strong".
The footballer last played for Everton as a substitute in the goalless draw at Middlesbrough on February 11.
Greater Manchester Police said: "Police were called at around 4.