A mass will be held at Westminster Cathedral today for the nurse who was found dead after being duped by a prank call from two Australian radio DJs.
Mother-of-two Jacintha Saldanha was found hanging in her nurses' quarters at King Edward VII's Hospital in Paddington by a colleague and a security guard last Friday.
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Scotland Yard said two murder investigations have been launched following the separate incidents, which both happened in the past week.
Photos show the extraordinary surgical procedures to remove the growth.
The Met Police says 143 firearms have been handed in at stations across the capital in just seven days, including two antique machine guns.