Simon Lane wrote:
What's happening - news flash on R4 mentioned incidents at a number
of tube stations...

BBC Radio 4 has just reported incidents at Oval, Warren Street and
Shepherds Bush (not sure which line). There was mention of smoke coming
from a train, and that University College Hospital had been placed on
alert. BBC Online says that 3 stations have been evacuated.
--
Richard J.
(to e-mail me, swap uk and yon in address)