At least 25 people were killed and 45 others were injured in a bomb attack on buses transporting Turkish military personnel in the capital, Ankara, today.
The explosion hit during a high-level security meeting at the Presidential Palace, and targeted an area of central Ankara close to military headquarters and the parliament building.
According to Turkish news agencies, the government has imposed a media blackout following the incident.
Ahead of the media blackout, local authorities said the explosion took out a convoy of military vehicles.
Prime Minister Ahmet Davutoglu canceled his Brussels trip for the critical EU Summit on the refugee crisis due to the terror bombing.
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This is the second major bombing in Ankara in recent months.
In October, two suicide bombers killed over 100 people during a demonstration of peace activists near Ankara's main train station in what was the worst terrorist attack in Turkey in modern times.
There are no reports of any group claiming responsibility for the attack, but the likelihood is that it will be attributed to either the Islamic State (ISIS) or the Kurdistan Workers' Party (PKK).
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The attack comes as Turkey is threatening the use of high-level force against Syrian Kurds who have taken over territory lost by Syrian rebels in the face of an advancement of Russian fire power and regime forces in northern Syria, near the border with Turkey.
The northern Syrian town of Azaz is the flashpoint for a wider conflict, with also threatening to destroy the Syrian Menagh air base if the Kurds refused to withdraw.
Turkey is also launching large-scale military operations targeting PKK strongholds in southeastern Turkey where is it believed to have killed some 300 PKK forces since early January.
By James Burgess of Oilprice.com
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