By George Martin For Mailonline
Published: 08:33 BST, 22 April 2019 | Updated: 08:33 BST, 22 April 2019
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The US state department has warned that tourists in Sri Lanka are still at risk from terror attacks.
In an updated travel advisory, the US state department said the groups behind the Easter Sunday bombings could target tourist sites, transportation hubs, shopping malls, hotels and airports.
'Terrorist groups continue plotting possible attacks in Sri Lanka. Terrorists may attack with little or no warning, targeting tourist locations,' the State Department said.
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Sri Lankan soldiers secure the area around St. Anthony's Shrine after a blast in Colombo on Easter Sunday
No-one has yet claimed responsibility for the attacks which killed 290 people and injured 500 on Sunday.
It comes as Police in Sri Lanka said Monday the investigation into the Easter Sunday bombings will examine reports that the intelligence community failed to detect or warn of possible suicide attacks before the violence.
The nine bombings of churches, luxury hotels and other sites was Sri Lanka's deadliest violence since a devastating civil