Police say three men were stabbed and 19 others arrested after a brawl broke out at Trafalgar Square, one of London's main tourist destinations.

Metropolitan Police said Friday they believe the stabbings are linked and that everyone inolved is of eastern European origin.

Police were called to the square Thursday afternoon by reports of a large fight and found a 19-year-old man with multiple stab wounds.

Sometime later, emergency services later found a second man, 18-years-old, with multiple stab wounds.

A 19-year-old third man admitted himself to a London hospital with stab wounds.

All three are hospitalized in stable condition.

Police say they are investigating.