http://www.jreast.co.jp/apology/20070622_utsunomiya.html
From JR East website.
Happened at 0755hrs on 22nd June, affecting several lines leading
to Tokyo from Utsunomiya, and Channelnews Asia reports that there
are 20000 trapped in trains, not very sure of the level of
exggeration but was peak hours then. Reason was due to the breaking
of a power cable on the Utsunomiya Line.
http://traininfo.jreast.co.jp/delay_certificate/pop.aspx?D=20070622&R=08
And you have to print out this, the delay certificate, if you are
working in Tokyo, heehee, no such thing in Singapore right?!...