Four-year-old Kadell Anderson-Brown managed to give his full address and phone number to the 999 call handler when his mum, Mawena Brown, fell to the floor. The quick-thinking youngster called the ambulance after Mawena, 26, collapsed with chest pains and shortness of breath. She was rushed to Leeds General Infirmary where she underwent tests over her six-day stay and was told she had suffered damage to her heart.