Evidence given at the inquest into the deaths of six people at a tower block fire in Camberwell today questioned whether a construction manager should have checked whether or not new parts were fire-resistant.
Refurbishment work was carried out at Lakanal House two years before it caught alight in 2009.
Today, the jury heard from Southwark Council's construction manager.
Paul Brand sent this report from Lambeth Town Hall.
More top news
Dozens of plots have been thwarted since July 7, 2005, but are we any less vulnerable to terror attacks?
While #SevenSeven has been trending for much of the day, so too has the #WalkTogether campaign.
Police want to find four boys seen on CCTV around the time of the attack.