A man is believed to have fallen and injured himself in Chiswick, according to reports on social media.
Several people have taken to Twitter to report the incident happened at a residential development, built by Bellway Homes, getwestlondon believes.
Paul in Chiswick (@myChiswickLive) tweeted: "Worker injured by falling debris on Chiswick housing site."
JIM SLATER (@JimSlater69) tweeted: A man has been injured by debris fallen from a crane at a residential development in Chiswick.
We have contacted the police and the London Ambulance Service for further information.
More as we get it.