Yes, yesterday was mildly frustrating but you certainly can't get angry.
Today is just back to normal, broken down trains and no doubt there will be a few signal and points failures (my money is on the bit between Gatwick and Three Bridges).
Not looking too great for London commuters.
http://www.nationalrail.co.uk/service_disruptions/74587.aspx
A person has been hit by a train at Hassocks, this means the following changes apply:
Trains are being diverted via Lewes and will not call at stations between Wivelsfield and Brighton...