Due an "incident with a forklift at the Westchester Yard," the MTA says riders should be prepared for "extensive delays in service on the 4, 5 and 6 trains at this time." What kind of incident, you ask? Well, according to WNBC, "The forklift hit and damaged the third rail preventing trains from getting out of the yard for the afternoon rush hour." Oh, crap. Update: WABC 7 says everything's back to normal, but as......