There is a good service running on the Northern line this afternoon as well as the DLR and the Overground.
The Circle and Waterloo & City lines are closed.
All other lines are running a special service.
Check the TfL website before you travel.
More top news
The 52-year-old had previous convictions for violence but was not on the anti-terror watchlist.
In a statement Charlton Athletic said: Keith was a true hero who will be greatly missed by all the Charlton family and everyone at the club.
London and the worlds has united on Twitter in defiance of the West minster attack #prayforlondon #wearenotafraid