By Pa Sport Staff
Published: 11:36 BST, 16 September 2019 | Updated: 11:36 BST, 16 September 2019
Barnsley and Leeds have announced they are 'working together' to assess the crowd trouble which marred Sunday's derby clash at Oakwell.
South Yorkshire Police has also launched an investigation following the arrest of three people on suspicion of public order offences and one for assault, the PA news agency understands.
A club spokesperson said: 'Barnsley Football Club and Leeds United Football