see more

In this photograph taken on April 30, 2018, paper lanterns are seen during The Vesak Festival in Biyagama. - Sri Lankan Buddhists are celebrating Vesak, which commemorates the birth of Buddha, his attaining enlightenment and his passing away on the full moon day of May which falls on April 29 this year. (Photo by ISHARA S. KODIKARA / AFP) (Photo credit should read ISHARA S. KODIKARA/AFP/Getty Images)

In this photograph taken on April 30, 2018, paper lanterns are seen during The Vesak Festival in Biyagama. - Sri Lankan Buddhists are celebrating Vesak, which commemorates the birth of Buddha, his attaining enlightenment and his passing away on the full moon day of May which falls on April 29 this year. (Photo by ISHARA S.  KODIKARA / AFP)        (Photo credit should read ISHARA S.  KODIKARA/AFP/Getty Images)

see more

In this photograph taken on April 30, 2018, The Ganegama Buddhist Temple is lit during the annual Buddhist festival of Vesak in Pelmadulla. - Sri Lankan Buddhists are celebrating Vesak, which commemorates the birth of Buddha, his attaining enlightenment and his passing away on the full moon day of May which falls on April 29 this year. (Photo by ISHARA S. KODIKARA / AFP) (Photo credit should read ISHARA S. KODIKARA/AFP/Getty Images)

In this photograph taken on April 30, 2018, The Ganegama Buddhist Temple is lit during the annual Buddhist festival of Vesak in Pelmadulla. - Sri Lankan Buddhists are celebrating Vesak, which commemorates the birth of Buddha, his attaining enlightenment and his passing away on the full moon day of May which falls on April 29 this year. (Photo by ISHARA S. KODIKARA / AFP)        (Photo credit should read ISHARA S. KODIKARA/AFP/Getty Images)

see more

Sri Lankan labourer pulls a cart while supporters of the Frontline Socialist Party parade along a street holding placards and banners as they participate in a Labour Day or May Day rally in Colombo on May 1, 2018. (Photo by LAKRUWAN WANNIARACHCHI / AFP) (Photo credit should read LAKRUWAN WANNIARACHCHI/AFP/Getty Images)

Sri Lankan labourer pulls a cart while supporters of the Frontline Socialist Party parade along a street holding placards and banners as they participate in a Labour Day or May Day rally in Colombo on May 1, 2018. (Photo by LAKRUWAN WANNIARACHCHI / AFP)        (Photo credit should read LAKRUWAN WANNIARACHCHI/AFP/Getty Images)

see more

Sri Lankan Frontline Socialist Party organising secretary Premakumar Gunaratnam speaks during a rally held to mark Labour Day, or May Day in Colombo on May 1, 2018. (Photo by LAKRUWAN WANNIARACHCHI / AFP) (Photo credit should read LAKRUWAN WANNIARACHCHI/AFP/Getty Images)

Sri Lankan Frontline Socialist Party organising secretary Premakumar Gunaratnam speaks during a rally held to mark Labour Day, or May Day in Colombo on May 1, 2018. (Photo by LAKRUWAN WANNIARACHCHI / AFP)        (Photo credit should read LAKRUWAN WANNIARACHCHI/AFP/Getty Images)

see more

Sri Lankan president Maithripala Sirisena and Prime Minister Ranil Wickremesinghe (L) are seen during the 25th commemoration of the death anniversary of late Sri Lankan President Ranasinghe Premadasa at Colombo, Sri Lanka on Tuesday 1 May 2018. (Photo by Tharaka Basnayaka/NurPhoto via Getty Images)

Sri Lankan president Maithripala Sirisena and Prime Minister Ranil Wickremesinghe (L) are seen during the 25th commemoration of the death anniversary of late Sri Lankan President Ranasinghe Premadasa at Colombo, Sri Lanka on Tuesday 1 May 2018. (Photo by Tharaka Basnayaka/NurPhoto via Getty Images)