The
search
continues
for
further
bodies
and
survivors
after
an
explosion
ripped
through
the
52-storey-high
building
in
Mexico
City,
destroying
three
of
the
lower
floors.
Initial
indications
are
that
the
blast
was
not
caused
by
terrorism,
but
may
have
been
caused
by
a
fault
in
an
adjoining
smaller
Pemex
building.
In
a
brief
statement
published
on
Pemex's
website
on
Friday
morning,
the
oil
giant
said:
"On
[Thursday]
there
was
an
incident
in
the
Mexico
City-based
Pemex's
headquarters.
In
response,
the
company
has
activated
its
financial
operations
contingency
system.
"Additionally,
Pemex confirms
that
its
production
processes,…