Singer Chris Brown has suffered a seizure brought on by intense fatigue and extreme emotional stress, his publicist has said.

Publicist Nicole Perna said the Look At Me Now singer suffered a non-epileptic seizure early on Friday morning while he was working in a Los Angeles studio.

A doctor examined the 24-year-old but he was not treated in hospital.

Ms Perna says what she referred to as the "continued onslaught of unfounded legal matters and the non-stop negativity" contributed to Brown's illness.

The singer has been on felony probation since the 2009 beating of then-girlfriend Rihanna.

A judge revoked his probation last month and ordered a hearing in a May 12 hit-and-run case.

In February, authorities investigated a fight between Brown and singer Frank Ocean at a recording studio, but Ocean did not press charges.

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