A bus carrying Barcelona fans erupted into flames just hours before their Champions League clash against Club Brugge.Supporters of the Spanish side were travelling to the Jan Breydel Stadium in Belgium when their transport caught alight.Flares appeared to cause the fire on a fan bus@hooliganscz1999 XFootage on social media appears to show Barcelona fans lighting flares on the bus before flames burst out of the stricken vehicle.Fans can be seen making their way off the bus as smoke began to fill the inside of it.It’s not yet clear if anyone has been injured by the blaze.View Tweet: https://twitter.com/JaimeNil2?ref_src=twsrc%5EtfwSupporters can be seen evacuating the bus amid thick smoke@sport XMore flames rose from the roof of the bus in worrying scenes@sport XMore to follow…