Then we must know which trains went MIA for long time, then we
know which train number kena it.
BTW, the "1st train" kena fire or what, must sent back to depot
at once. So how does it go? (Go Toa Payoh and cross over to return
depot at once / park there until end of the day? or neither, just
go in the opposite direction and Bishan SB platform become temp. NB
such that it returned to depot and of course, if there is any train
near Bishan will use SB track to go in the NB direction, back to
Ang Mo Kio and possibly used the middle track?)
