, June 23 -- Turkish security forces have detained more than 200 people in a large-scale operation in the capital Ankara ahead of next month's NATO summit, targeting individuals suspected of having links to extremist groups, including the Islamic State (IS) group.

US President Donald Trump is expected to join leaders of the 32-member military alliance at the NATO summit scheduled for July 7-8 in Ankara.

Turkish authorities are preparing extensive security arrangements for the event. Planned measures include restrictions on demonstrations, tighter controls on roads leading to airports, and security cordons around the summit venue and hotels hosting foreign delegations.

The government of President Recep Tayyip Erdogan has placed strong e...