The Islamic State group has killed a woman from a group of Druze hostages it seized during a deadly attack in Syria's Sweida province, a source and a monitor said Tuesday.
In the attack on July 25, IS waged a series of suicide bombings, shootings and stabbings that left more than 250 people dead across the southwestern province, most of them civilians.
It later emerged the jihadists had also kidnapped the group, mostly Druze women and their children, during the attack.
A source familiar with negotiations with the group told AFP that "relatives of Tharwat Abu Ammar were told Tuesday that she had been executed" by IS. The jihadists also sent a picture of her, covered in blood, to a negotiator, the source said.
The Syrian Observatory for Human Rights war monitor said she had been shot in the head.
Like the other hostages, Abu Ammar came from the remote village of Al-Shabaki in the province's eastern countryside, according to the Sweida 24 news agency.
The agency's head Nour Radwan told AFP that IS had killed her parents during the attack on the village.
IS claimed the Sweida attack via the Telegram messaging app, but it has not mentioned the captives or published pictures or videos of them on its social media channels.
In August, the group executed a 19-year-old male student among the captives, Radwan told AFP.
The following week, a 65-year-old Syrian woman among the captives died, with IS telling negotiators an illness caused her death.
IS has been in talks with Syria's government and its ally Russia to swap the hostages for jihadists held by the regime.
There is little information on what conditions the hostages are being kept in, including whether they are subject to torture or other abuses.
Sweida province is the heartland of the country's Druze minority, which made up around three per cent of Syria's pre-war population - or around 700,000 people.
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