Several people from Birmingham are being questioned on suspicion of terrorism-related offences after the terror attack in Westminster.
They were arrested after several raids across the city.
Police forces in the Midlands have received flowers in sympathy for the loss of an officer who was killed in a terrorist attack in London.
More than half a million pounds has been raised to support the family of murdered Pc Keith Palmer who was stabbed to death on Wednesday as he attempted to disarm Khalid Masood outside the Palace of Westminster.
Masood, 52, had been living in Birmingham. Police made multiple arrests and raided several properties in the city in the wake of the attack.
Northamptonshire Police revealed they have been sent flowers in sympathy for the loss of their colleague in blue.
Police in Dudley received cake from a member of the public in recognition of their work.
Three vehicles have been seized by police after an armed raid in Birmingham linked to the Westminster terror attack.
Two more 'significant arrests' have been made, including one in the West Midlands, as details of Westminster killers past emerge.
A peace vigil is to be held in Birmingham to promote unity, after the city's most prominent mosque condemned the Westminster terror attack.