I found out from the BBC website, which includes a longish report from News 24, and came to FT.
Great that things have turned out well for pax and crew. What impact on BA ops? Let's go to ba.com to find out. Er, their entire news is this:
Incident at London Heathrow
Summary
A British Airways Boeing 777 operating as flight BA038 from Beijing to Heathrow has been involved in an incident at Heathrow today.
More information
Customers are advised to check the status of their flight before they leave for the airport. To access our real time flight arrival and departure information please click here.
We will release further information as soon as it is available.
Thank heavens for FT and the BBC. My colleague's MEX tomorrow is estimated on time, at least.