MADRID (Reuters) – Spanish police said they have increased security to prevent clashes between England and Wales fans on Tuesday in Tenerife, the largest of the Canary Islands, where more than 2,500 soccer fans are following the World Cup under the winter sun. Police are trying to avoid a brawl, after fighting broke out on Friday in the Las Americas area of the Spanish island between fans from both teams. England and Wales face each other in their final Group B game at the Qatar World Cup on Tuesday in the so-called Battle of Britain. Wales are on the brink of elimination and will need to beat…