Sedgemore said the force identified a series of thefts of an “organised nature”.
He said BTP was aware of groups of men, “normally six of them in a team”, who used their own communication systems to target passengers at the stations.
He said two control rooms actively watched for thieves and officers made approximately four arrests a week.
“Because it has become focused here, it’s easy for us to identify and target the gangs and disrupt them,” he said.
“We’re working with immigration, border force… there’s a lot of different elements to this.
“We are going to make this an environment too difficult for them to operate in. It’s going to be too risky for them to commit the crime, and they will get the sentences when we arrest them.”
According to data from BTP, theft of passenger property at King’s Cross station, St Pancras International station and King’s Cross St Pancras Underground station fell from 907 to 773 offences from April to September this year, compared to the same reporting period in 2025.
Burglary and theft offences dropped from 606 to 495 offences in the same time period.
BTP said that since its operation began in December 2025, officers had made 67 arrests in relation to theft of personal property at the two railway stations.
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