Marseille fans clashed with Athletic Bilbao supporters and riot police ahead of the second leg of a Europa League last-32 tie at the San Mames stadium on Thursday.
About four hours before the match, fans of both sides clashed in the centre of Bilbao.
As kick-off approached, Marseille fans clashed with dozens of riot police on the approach to the San Mames stadium.
At least five people were arrested, according to local media reports.
