Officials will want to rule out any fears that a dirty bomb โ a mixture of explosives with radioactive power โ was being built here.
The suspected plot was smashed on December 29 and a Heathrow source told The Sun: โThe race is on to trace everyone involved with this rogue non-manifested package.
โSecurity bosses are treating this with the seriousness it deserves. Protocol was not followed and this is now an anti-terror operation.
'Very suspect'
โThere are real concerns over what the Iranians living here wanted with non-disclosed nuclear material.โ
Former commander of the UKโs nuclear defence regiment
Hamish De Bretton-Gordon said: โFor uranium to turn up on a commercial airliner from Pakistan to an Iranian address in the UK is very suspect.โ
A former army chief has claimed the deadly shipment could have been used
for a Litvinenko-style assassination plot.
Officials believe they have prevented any immediate threat to the public. They are being assisted by security services as they investigate the suspected plot.
Forensics teams have spent days poring over the shipment which was spotted as it was moved to a freight shed owned by handling firm
Swissport.
Strict protocols must be followed to fly dangerous cargo, particularly on passenger flights.