UK Prime Minister Boris Johnson and Carrie Symonds announce birth of son

UK Prime Minister Boris Johnson and his fiancée Carrie Symonds have announced the birth of a "healthy baby boy.

UK Prime Minister Boris Johnson and his fiancée Carrie Symonds have announced the birth of a "healthy baby boy." Footage shows Boris Johnson and Carrie Symonds attend a public event at Westminster Abbey on Commonwealth Day (March 9).