TENNIS fans told today of Croatian and Serbian supporters punching and kicking each other during a clash at the Australian Open, but also accused police of targeting ethnic groups. Up to 150 people were ejected from the showpiece tournament in Melbourne today after clashes between Croatian and Serbian fans wearing national colours. Dozens of police moved into the concourse area to break up the fight. Five Croatian fans later slammed the violence as "disgusting''. Marina, 19, Danijela, 19, Ivana, 17, Kristina, 16 and Marija, 20, all from Melbourne, who did not wish to use their last names, said they were...