The Minister of Defense of Chad, Mahmat Sally, explains closing borders with Libya, Sudan and Central African Republic is for security reasons.
According to the Tunisian newspaper Al-Shoroq, Chad has kept its trade ports with the three countries open, including Korean & Moody port with Libya.
It is noteworthy that Libya signed, in February, the executive regulations of the Joint Operations Center, to secure the common border with Sudan, Chad and Niger.