US-based Jewish rights group the Simon Wiesenthal Center on Tuesday criticised Sweden for not doing enough to protect the Jewish community in Malmö following a string of crimes against Jews in the southern Swedish town.

The group among other things blasted Swedish authorities for making the community pay the equivalent of a "Jewish tax," since they themselves had to foot the bill for most security measures, including setting up anti-attack barriers in front of the synagogue during religious celebrations.

"It is long overdue that the Swedish authorities assume the costs of the security of the Jewish institutions, especially in a community of 800 people that's been suffering from incidents," Rabbi Abraham Cooper, the centre's associate dean, told AFP.

"That's a disaster waiting to happen," he cautioned, also lamenting numerous attacks on Malmoe's Muslim and Roma communities.

A spokesman for Democracy Minister Birgitta Ohlsson, who met with Cooper in Stockholm Tuesday, told AFP that "discussions" were going on within the government about the issue, but would not provide further details.

Malmoe, which is Sweden's third largest city with a population of around 300,000, is home to some 800 Jews, along side a large, mainly Muslim, immigrant community.

Some 400 anti-Semitic acts were registered in Malmö in 2009 alone, accounting for more than half of the total number of hate crimes in that city, and several Jewish families have left in recent years due to the threatening atmosphere, according to local Jewish representatives.

In December, shortly after Stockholm suffered its first-ever suicide bombing, the Wiesenthal Centre issued a rare warning, cautioning Jews to avoid traveling to Malmoe and telling the ones already there to be very careful.

Referring to numerous instances of harassment against people who are visibly Jewish, Cooper asked "How could that happen?"

"In a country that rescued the Jews coming from Denmark during World War II, how come a rabbi can (no longer) go to the synagogue with his two children?"

In early 2009, a Davis Cup tennis match in Malmoe between Sweden and Israel was forced to play behind closed doors due to security concerns amid massive ant-Israeli protests over the Gaza war.

Malmoe mayor Ilmar Reepalu has also faced harsh criticism for not taking the threat against the city's Jewish community seriously enough and for comparing Zionism to anti-Semitism.

After meeting with Cooper Monday, he stressed to the TT news agency that he in no way was making light of the situation.

"Every single Jew who feels fearful and afraid is one too many. This is completely unacceptable," he said, adding that it was up to the national government to provide more funds for addressing the problem.

"I really hope that the state will prioritise Malmoe in this matter," he said.