At least eight Jewish schools in the UK received bomb threats on Monday the Community Security Trust, a communal security organization, reported.
The threats are the latest in a series of similar such warnings that have been made against schools across the UK and further afield.
The bomb threats were made in the form of a pre-recorded message, with a voice threatening that the school in question will be bombed, while Arabic or Islamic music was heard in the background of the recording.
The press bureau of the Metropolitan Police Service covering London said that six schools, including non-Jewish schools, had received bomb threats on Monday in the capital, but that all schools had been checked by the police and no evidence of any bombs or explosives had been found.
The police are not seeing these threats as credible an official in the press bureau said.
Following consolation with the UK police, CST advised Jewish schools receiving this recorded message not to evacuate their premises but to fully implement security procedures along with additional security searches.
Schools in the city of Birmingham also received the bomb threat on Monday, while schools in Glasgow received similar warnings last week, and last month several schools were evacuated in different parts of the UK after also reviving bomb threats, as were five schools in Paris.
Fifteen schools in the Indian city of Chennai also received bomb threats on Monday.
Last week, the CST reported that 2015 had seen the third-highest number of anti-Semitic hate incidents ever in one year in the UK, totalling 924 separate attacks including abusive behavior, verbal abuse, anti-Semitic graffiti, some minor physical attacks and four serious violent assaults.