Celtic captain Scott Brown has broken his silence after he was allegedly subjected to abuse after his side's 2-0 win over Rangers at Ibrox.

Brown was allegedly mocked by a Rangers over the death of his sister Fiona who passed away from skin cancer at the age of 21.

The midfielder was leaving Ibrox after his side won when he was approached by the supporter who allegedly asked: "How's your sister?"

Old Firm stars of past and present rally behind Scott Brown after alleged 'how's your sister?' taunt

But Brown, 34, refused to allow one alleged taunt get to him - and thanked fans of both clubs for the backing he received.

He said: "The fans from both sides have been phenomenal.

"But it’s not just the one incident. 

"It’s happened over the past 12 years of my career.

"It’s hard and it’s sad but it’s there. It shouldn’t be happening.

Celtic's Scott Brown 'subjected to sick abuse' about sister's death after Old Firm clash at Ibrox

"I play football to win and in the 90 minutes you can shout and swear as much as you want when I’m on the park.

"But do not go into detail off the park like that. For me that’s it finished with – it’s about me focusing on playing football and continuing to win games."

A 15-year-old boy was arrested in connection with the alleged abuse on September 1.