UK Terror Police Say ‘Improvised Explosive’ Devices Sent to University, Airports Linked

British counter-terrorism police have confirmed they are treating four suspect packaged received by high-profile public buildings accross the United Kingdom are being treated as linked.

Three packages were found to have been delivered by the British Royal Mail postal service to locations accross London on Monday. A further parcel was discovered in Scotland on Sunday.

Those receiving “improvised explosive” parcels have been London’s Waterloo railway station, Heathrow Airport, City Airport, and Glasgow’s University. The Glasgow parcel was destroyed by bomb disposal experts Wednesday after staff and students were evacuated from the area, the BBC reports.

One parcel had detonated while being opened in London, but the low powered device inside only charred the packaging, according to images of the parcel distributed by London’s Metropolitan Police.

Steve Johnson of Police Scotland said of the devices: “There are similarities in the package, its markings and the type of device that was recovered in Glasgow to those in London.

“Therefore, we are now treating it as being linked to the three packages being investigated by the Met in London and both investigations are being run in tandem.

“Our inquiries into the Glasgow package are at an early stage but there is no ongoing risk to the public.”

Images of the parcels released by police show they have ‘Love From Ireland’ postal stamps issued by the Republic of Ireland and give Dublin return-to-sender addresses. Police said the motive and identity of the sender is presently unknown.

Breitbart London reported on Tuesday on internal messages sent to transport workers in Britain as the packages were discovered, which warned of “padded envelopes… unusual items” being delivered to “major operational buildings”.