The mayor of Greater Manchester and the Home Secretary addressed the synagogue attack in a press conference on Thursday evening.
UK police said on Thursday two people were killed and four others were seriously wounded in a synagogue attack in Manchester, northern England.
Police bomb experts were investigating whether the attacker had an explosive device.
The incident, which took place on Yom Kippur, the holiest day in the Jewish calendar, is said to be over after a man, believed to be the offender, was shot by police.
Andy Burnham, the mayor of the Greater Manchester asked "everyone to show solidarity to the Jewish community this weekend."
Shabana Mahmood, the Home Secretary, told the press "the government has stepped up security at synagogues across the whole of the country."