Sri Lankan military personnel stand guard on a main road near the president’s house in Colombo, three days after a string of suicide bomb attacks on churches and luxury hotels across the island on Easter Sunday, in Sri Lanka April 24, 2019. REUTERS/Dinuka Liyanawatte

COLOMBO (Reuters) - The United States had no prior knowledge of the Easter Sunday suicide bombing attacks on churches and hotels in Sri Lanka, but now believes there is ongoing terrorism plotting in the country, Washington’s ambassador to Colombo said on Wednesday.

“We had no prior knowledge of these attacks,” Ambassador Alaina Teplitz told reporters in Colombo. “We believe there are ongoing terrorist plots. Terrorists can strike without warning. Typical venues are large gatherings, public spaces.”