Sri Lankan authorities have called on the public to surrender swords and large knives amid heightened security concerns following the deadly Easter Sunday attacks.
Police said knives used for legal everyday activities should not be included in the handover this weekend.
Hundreds of weapons have been seized in searches since the 21 April attacks.
More than 250 people were killed in the coordinated suicide bombings, which targeted churches and luxury hotels.
In addition to weapons, police spokesman Ruwan Gunasekara called on people in possession of “police or camouflaged military uniforms” to hand them in to their nearest police station on Saturday or Sunday.
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He did not confirm whether police would give an amnesty to those who surrendered weapons during the two-day handover period.
The call came as investigations into the deadly bombings continue.
Sri Lankan President Maithripala Sirisena told Reuters on Saturday that some 25 to 30 people linked to the bombings were still at large.
“We have already identified all active members of the group and it’s a case of now arresting them,” he said.
The president added that there was “no information yet to say these suspects are suicide bombers.”
Mr Sirisena told the news agency that he believed the Islamic State group when they said they were behind the attacks.
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