Casa Arabe is committed to being a meeting point between Spain and the Arab world
Counter-terrorism police investigating reports of 'Punish a Muslim day' letters pic.twitter.com/fhg7djShtL
- ITV News Central (@ITVCentral) March 11, 2018
It asks people to carry out violent acts including verbal abuse, removing a woman's hijab or head-scarf, physical assault and using acid as a weapon.
Police said it had a couple of letters that will undergo analysis in an attempt to determine their origin.
The group said it had received reports of people in Bradford, Leicester, London, Cardiff and Sheffield receiving the letters.
Casa Arabe is committed to being a meeting point between Spain and the Arab world
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