Three children who were found dead at a house in New Malden suffered from spinal muscular atrophy, Daybreak's Chief Correspondent Richard Gaisford reported.
I understand the three children found dead in S.London all suffered from severe degenerative Spinal Muscular Atrophy http://t.co/6NRyHxptIh
More top news
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.