JERUSALEM (Reuters) - Israel's parliament gave initial approval on Wednesday to laws to curb public use of Nazi symbols after ultra-Orthodox protesters caused outrage by calling police Nazis and wearing concentration camp garb.

Four bills swiftly passed one of five rounds of voting needed to become law, even though a spectrum of critics denounced them as a violation of free speech.

The laws call for up to a year in jail and stiff fines for anyone convicted of visually or verbally misusing symbols such as swastikas, the term Nazi or epithets related to the killing of six million Jews before and during World War Two.

Prime Minister Benjamin Netanyahu's cabinet approved the bills before they went to parliament, seizing on public outrage at devout Jews who dressed last month as Holocaust victims to show they felt persecuted by objections to their efforts to achieve gender segregation in public....