Violent clashes have erupted in Warsaw as right-wing extremists, football hooligans and anarchists attacked police with cobblestones and glass bottles during marches commemorating the country’s Independence Day.

Police investigating claims that a Polish man imprisoned and raped his daughter were seeking DNA samples today from the two children she says he fathered.

A drunken man from Kuwait, claiming he had a bomb, briefly held three Jewish teenagers captive today in their room in a Polish hotel where they were staying for Holocaust commemoration ceremonies, police said.