As
rescue
efforts
continue
forward,
speculation
on
the
cause
of
the
incident
continued
among
a
frustrated
public
as
top
officials
delayed
giving
any
further
explanation
on
the
deadly
blast,
which
also
injured
over
100
people.
Local
media
reports
reported
rumours
including
drug
gang
involvement
and
opposition
to
private
investment
in
Pemex
as
among
the
underlying
causes.
…