London, July 21 : Chris Brown has issued an apology on popular video sharing website YouTube for assaulting former girlfriend Rihanna.

The singer, who confessed felony assault last month, posted a two-minute clip on the website, expressing his "deepest regret over the fight".

The 20-year-old said he accepted "full responsibility" for beating the R&B lady, who was later left with facial injuries.

"I''ve told Rihanna countless times and I''m telling you today I''m truly, truly sorry I wasn''t able to handle the situation differently and better," The Sun quoted him as saying.

Brown is due to attend anger management courses and do community service. (ANI)