A man has been arrested on suspicion of assault following a disturbance in the Palace of Westminster.
Police were called to the Strangers Gallery, outside the House of Lords Chamber, on Friday morning.
A man, thought to be in his 20s, was escorted from the building and arrested on suspicion of assault and criminal damage.
The specific details of the allegations against him have not been revealed.
A House of Lords spokesperson said: “A member of the public caused a disturbance at the entrance to Strangers Gallery outside the House of Lords Chamber.
The Metropolitan Police escorted the individual away from the Chamber.
A Met spokesman said: At approximately 11.15am police were called to reports of a disturbance within the Palace of Westminster.
A man, believed aged in his 20s, was escorted from the premises by officers. He was subsequently arrested on suspicion of common assault and criminal damage.
He remains in custody at a central London police station. Enquiries continue.