LONDON — The anonymous letters arrived this weekend in plain white envelopes with second-class stamps, and were sent to people in at least six communities in England.

Police are investigating a possible hate crime after reports that anti-Islamic letters were posted across the country.

A letter which encourages people to carry out acts of violence against Muslims has been sent to at least one address in Leicester, it has been confirmed.

Leaflet offers vague rewards of points for throwing acid and beating Muslims or bombing mosques and ‘nuking’ Mecca.

Counterterrorism police in the UK are investigating a possible hate crime after several people received letters calling on them to attack Muslims on April 3, termed in the leaflet as “punish a Muslim” day.

Letters encouraging recipients to take part in “Punish a Muslim Day” have reportedly been sent to addresses across the country.

A ‘Punish a Muslim day’ letter that encourages violence against members of the religion is being investigated by counter-terrorism police.

West Yorkshire police confirm reports of letters advertising ‘Punish a Muslim Day’

Scotland Yard is investigating a possible hate crime after reports a letter encouraging people to “punish a Muslim” was posted in London.