Pro-Haftar mercenaries were also deployed to the region and drones operated by the United Arab Emirates were flying over Tripoli.
Late on Saturday, Haftar forces announced a ceasefire starting at 2200GMT.
Ankara and Moscow called for the ceasefire on Wednesday following a meeting in Istanbul.
Turkey’s President Recep Tayyip Erdogan says the National Intelligence Organization (MIT) has played a major role in the success of cross-border operations, as well as solving the murder of Saudi journalist Jamal Khashoggi.
A recent deal agreed with Tripoli and a decision to deploy forces in Libya show that Ankara aims to develop an understanding between warring factions in the country, creating a deterrent against the powers of instability.
Since the ousting and death of ruler Muammar Gaddafi in 2011, two seats of power have emerged in Libya.
The deal enables Turkey to secure its rights in the Mediterranean while preventing any fait accompli by other regional states.
Libyan and US officials say hundreds of Russian mercenaries are backing commander Khalifa Haftar, whose forces have been trying for months to capture the capital Tripoli.
The self-styled Libyan National Army’s announcement comes two American and Italian unmanned drone aircraft lost near the capital last week.
Turkey's support to the UN-backed Government of National Accord in Libya should be replicated by other responsible global powers.
Murzuq municipal council member Mohamed Omar says, "The air strike resulted in 43 killed and 51 wounded." The LNA confirmed the strike on Murzuq.
Traffickers and armed groups have exploited the country's security vacuum, turning it into a hellhole for migrants.
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