LONDON — British police said Tuesday they are “aware” of a claim of responsibility by Irish dissidents with regard to the sending of letter bombs last week.
London's Metropolitan Police said that a media outlet in Northern Ireland received a claim of responsibility Monday using a recognized code word.
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The group making the claim said five devices were sent, but police have so far only found four — raising the prospect that one package may not have been discovered yet.
“The claim was allegedly made on behalf of the ‘IRA,’” police said, referring to the Irish Republican Army. The IRA has been in a cease-fire for years but dissident groups are still active.
Police said they were already investigating possible dissident links to the packages, which did not cause any injuries.
According to the statement, counter-terrorism police are keeping an “open mind” but stopped short of blaming dissidents for the use of the devices.
Small letter bombs that were designed to cause fires were sent last week to Waterloo rail station in central London, offices at Heathrow and London City Airports, and the University of Glasgow.
One of the devices partially burned when opened and caused a small fire.
A link to Ireland had been suspected because Irish stamps were used on the envelopes.