In-depth: The violent clashes in Sudan could have disastrous consequences for Libya, which suffers a security vacuum in the south and has long been home to Sudanese mercenaries.
Libya's Tobruk-based parliament has announced that it has withdrawn from UN-sponsored peace negotiations after rejecting amendments to the final draft agreement requested by the General National Congress.
Analysis: Geneva talks will not lead to a breakthrough unless Libyans are willing to compromise, and regional parties are forced to end their involvement in the violence.