Force India F1 driver Paul di Resta has split with his manager, London's Telegraph newspaper reports.
Anthony Hamilton, father of 2008 World champion Lewis Hamilton, also no longer manages his McLaren-driving son.
'SITUATION DELICATE'
Journalist Tom Cary said Di Resta's split with Hamilton snr "happened some weeks ago" and "was not planned".
Cary added that the "situation between the pair remains delicate".
Di Resta, 25, who has been linked with a move to Mercedes for 2013, was unavailable for comment, as was 56-year-old Hamilton.
"The reasons for the split remain unclear," Cary's report said
Anthony Hamilton, father of 2008 World champion Lewis Hamilton, also no longer manages his McLaren-driving son.
'SITUATION DELICATE'
Journalist Tom Cary said Di Resta's split with Hamilton snr "happened some weeks ago" and "was not planned".
Cary added that the "situation between the pair remains delicate".
Di Resta, 25, who has been linked with a move to Mercedes for 2013, was unavailable for comment, as was 56-year-old Hamilton.
"The reasons for the split remain unclear," Cary's report said