Why Thousands of Shia Mourners gather for Arba’een in London?

Arba’een 2017 London: The 40th Day of Hussain’s Sacrifice. The UK Arba’een or Chehlum Procession is the largest annually organised Islamic event in Europe. Mourners pay tributes to Hazrat Imam Hussain, 7th Century Muslim leader and grandson of the Prophet Muhammed (PBUH), explains Syed Raza Haider Rizvi.