Libyan protesters shout slogans during a demonstration to demand an end to Khalifa Haftar's offensive against Tripoli, in Martyrs' Square in central Tripoli, Libya December 27, 2019. REUTERS/Ismail Zitouny
Libyan protesters shout slogans during a demonstration to demand an end to Khalifa Haftar's offensive against Tripoli, in Martyrs' Square in central Tripoli, Libya December 27, 2019. REUTERS/Ismail ZiShow more

Explainer: The shut-in of Zawiya could cost the oil industry dearly