Egypt's President Abdel-Fattah El-Sisi and his US counterpart Donald Trump discussed the latest developments concerning the crisis in Libya and the Grand Ethiopian Renaissance Dam (GERD) in a phone call on Monday, Egyptian Presidential Spokesman Bassam Rady said.

El-Sisi reviewed Egypt's steadfast and strategic stance towards the Libyan cause that aims at restoring the state's pillars, preserving its national institutions, and avoiding further deterioration of the security situation through undermining illegal foreign interference, the statement added.

It only added more complication and escalation to the issue until its repercussions have come to affect the entire regional security and stability, El-Sisi described the illegal foreign interference during the phone call with his American counterpart.

Trump expressed his understanding of the concerns related to the negative ramifications of the Libyan crisis, praising the Egyptian efforts that enhance the path of the political process in Libya, according to Rady.

Turkey has recently transferred thousands of Syrian Jihadis and mercenaries into Libya to back the Government of National Accord (GNA) in its war against the Libyan National Army (LNA).

In June, El-Sisi warned that Cairo has a legitimate right to intervene in the war-torn neighbouring country, describing Sirte -- which is located around 900 kilometres from the Egyptian border -- as a "red line" for Egypt.

He also said any intervention by Egypt would mainly be aimed at protecting Egypt’s western border, achieving a ceasefire, and restoring stability and peace in Libya.

The Egyptian presidential spokesman said that Monday's phone call tackled the current developments of the GERD and other matters related to the strategic bilateral relations between the two countries.

The latest round of negotiations between Cairo, Khartoum and Addis Ababa saw no resolution of differences on major issues of contention over the hydropower project, which has been under construction on the Blue Nile since 2011.

The round was mediated by the African Union and observed by representatives from the US, the EU and South Africa, the current president of the AU.

The decade-long disputes over the GERD are set to be tabled during a mini-African summit on Tuesday.