According to the Libyan News Agency, the statement was made by the defense and national security committee of the House of Representatives, the Libyan parliament based in Tobruk.
"The State of Qatar is complicit in preparing the attack on [Libyan] oil fields and ports," the statement was quoted by the media outlet.
According to the Libyan National Oil Corporation (NOC), the militants’ assaults on the ports resulted in Libyan oil production cuts amounting to 400,000 barrels per day. Moreover, two oil storage tanks, located in the ports, were destroyed. Production then came to a near halt after the capture by the LNA.
Qatar has been under diplomatic and economic blockade since June 2017 when the United Arab Emirates, Saudi Arabia, Egypt and Bahrain cut off diplomatic relations and communication with Qatar, accusing the country of supporting terrorism and interfering in their internal affairs. The Maldives, Mauritius, and Mauritania followed suit, while Jordan and Djibouti reduced the level of their diplomatic missions in Qatar. Doha has refuted the allegations.