revision preference src: Despite the security restrictions Tamils in Sri Lanka hold small events on 18 May, which they call Mullivaikkal Remembrance Day, to commemorate their dead. However, public commemorations are dealt harshly by the Sri Lankan security forces. <SEP> tgt: Despite the security restrictions Tamils in Sri Lanka hold small events on 18 May, which they call Mullivaikkal Remembrance Day, to commemorate their dead. Public commemorations are dealt harshly by the Sri Lanka security forces.