Oil
spillage
and
environmental
damage
to
the
rural
area
in
Colombia's
Norte
de
Santander
province
was
limited
because
the
pipeline
was
shut
for
maintenance,
but
the
explosion
caused
some
oil
to
leak
into
the
River
Arauca,
a
spokesman
for
Ecopetrol
said
according
to
Reuters.
Ecopetrol
is
seeking
to
clean
up
the
contamination,
he
said.
Marxist
insurgent
groups
in
Latin
America's
fourth-largest
oil
producer
have
stepped
up
bombings
over
the
past
year,
especially
against
the
480-mile
(780-km)
Cano
Limon-Covenas
line,
which
has
a
capacity
of
220,000-barrels
per
day
and
usually
pumps
around
80,000
barrels.
There…