Doctors at the London Chest Hospital have started treating heart attack patients with their own stem cells.
The London patients are among the first of 3,000 participants in the European-wide study to look at the life prolonging effects of stem cell therapy.
Five days after suffering a heart attack, stem cells will harvested from the patient's own bone marrow and then be injected into heart muscles in the hope that they repair some of the damage.
More top news
The family of Oliver Dearlove urged people to "think again" before using their fists, as the man who killed him began a six-year jail term.
London Fire Brigade took Southwark Council to court on four charges in relation to safety breaches at Lakanal House in Camberwell.
Oliver Dearlove died 24 hours after receiving the fatal blow outside Morden's wine bar in Blackheath last summer.