President Maithripala Sirisena was the chief guest at the Aluth Avurudu Festival held at the Harrow Leisure Centre in London on April 21, organised under the patronage of Ven. Aggamaha Panditha Galayaye Piyadassi Nayake Thera. Nearly 4,000 Sri Lankans domiciled in London, attended the festival which has been a regular feature over the last 28 years.