A Muslim man reacts inside the Abbraar Masjid mosque after a mob attack in Kiniyama, Sri Lanka May 13, 2019. One person was killed in Sri Lanka on Monday as police fired tear gas at mobs attacking mosques and Muslim-owned shops and imposed a curfew after the worst outbreak of sectarian violence since the Easter bombings by Islamist militants. REUTERS/Dinuka Liyanawatte

A Muslim man reacts inside the Abbraar Masjid mosque after a mob attack in Kiniyama, Sri Lanka May 13, 2019. One person was killed in Sri Lanka on Monday as police fired tear gas at mobs attacking mosques and Muslim-owned shops and imposed a curfew after the worst outbreak of sectarian violence since the Easter bombings by Islamist militants. REUTERS/Dinuka Liyanawatte

Muslim men are seen inside the Abbraar Masjid mosque after a mob attack in Kiniyama, Sri Lanka May 13, 2019. One person was killed in Sri Lanka on Monday as police fired tear gas at mobs attacking mosques and Muslim-owned shops and imposed a curfew after the worst outbreak of sectarian violence since the Easter bombings by Islamist militants. REUTERS/Dinuka Liyanawatte

A Muslim man stands in front of the Abbraar Masjid mosque after a mob attack in Kiniyama, Sri Lanka May 13, 2019. One person was killed in Sri Lanka on Monday as police fired tear gas at mobs attacking mosques and Muslim-owned shops and imposed a curfew after the worst outbreak of sectarian violence since the Easter bombings by Islamist militants. REUTERS/Dinuka Liyanawatte

Muslim men react inside the Abbraar Masjid mosque after a mob attack in Kiniyama, Sri Lanka May 13, 2019. One person was killed in Sri Lanka on Monday as police fired tear gas at mobs attacking mosques and Muslim-owned shops and imposed a curfew after the worst outbreak of sectarian violence since the Easter bombings by Islamist militants. REUTERS/Dinuka Liyanawatte

Muslim men gather outside the Abbraar Masjid mosque after a mob attack in Kiniyama, Sri Lanka May 13, 2019. One person was killed in Sri Lanka on Monday as police fired tear gas at mobs attacking mosques and Muslim-owned shops and imposed a curfew after the worst outbreak of sectarian violence since the Easter bombings by Islamist militants. REUTERS/Dinuka Liyanawatte