Relatives of the driver killed in a chase near the White House have told police that she had mental health issues, NBC News reports citing a senior law enforcement official.
Miriam Carey, 34, is said to have had a fall a couple of years ago leading to the issues.
Carey's employer corroborated that she had suffered a fall, and that she had returned to work pregnant.
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During their visit, Charles and Camilla will meet local businesses and people in the city centre before joining a reception in the Guildhall