ISIS or Islamic State militants have executed Syrian army soldiers and are holding a group hostage after capturing an air base in northeast Syria at the weekend, pictures posted on social media by supporters showed on Wednesday.
Islamic State, an offshoot of al Qaeda, stormed Tabqa air base near Raqqa city on Sunday after days of fighting with the army that cost more than 500 lives, according to monitoring group the Syrian Observatory for Human Rights.
Tabqa was the army’s last foothold in an area otherwise controlled by the militants, who have seized large areas of Syria and Iraq. The United States has carried out air strikes on the group in Iraq and is considering its options in Syria.
In one picture posted online, a group of militants in balaclavas are seen gunning down at least seven kneeling men identified as army personnel. It was not possible to immediately confirm the authenticity of the images.
Other photos showed groups of eight to 10 soldiers taken hostage, some with face wounds and three identified as officers. The photos appeared to show at least two dozen hostages.
One picture reportedly shows the body of a pilot who had appeared on Syrian television before the attack on the base explaining how the army could easily defend it. Others show militants holding up knives next to groups of captured men.
Syrian state television aired a report last week interviewing army personnel at the base and showing its defences, just before Islamic State overran it.
After the capture on Sunday, Syrian state television said the military was “regrouping” and that there was a “successful evacuation of the airport” as the army continued strikes on Islamic State in areas close to the base.
The Observatory said 346 Islamic State fighters were killed and more than 170 members of the security forces had died in five days of fighting over the base, one of the deadliest clashes between the two groups since the start of the war.
The photos also showed the attack on the base, which used at least one tank. Other photos showed bodies and abandoned military hardware, such as a jet, warplane munitions and missiles, although it was not clear if any were operational.
Syrian newspapers have had very little coverage of the air base capture and the state news agency SANA and Syrian television have since focused on army operations against Islamic State elsewhere in the country.
Although it is not clear how widespread public anger in Syria might be about the fall of the airbase, some people supportive of the army expressed anger on social media.
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