Police say a man in his 30s, who is believed to be Somali, is in custody as Keir Starmer calls the incident "sickening".
Hundreds if not thousands of people's homes are being taken over by UK gangs every week, say police.
Multiple women accuse the billionaire of abusing his power and preying on them for sex, in some cases when they were in their late teens.
The Iraqi Kurds were captured by a militia who demanded a ransom of $5,000 (£3,700) per person.
The Conservative leader will argue that the rules have become a "minefield that exposes almost every significant public decision to legal challenge".