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What happened today?
This afternoon, armed gunmen set off an explosion and fired shots in an attack on a Turkish defence company building on the outskirts of the capital, Ankara.
Five people have been confirmed dead, according to officials, with a further 22 injured.
Watch: Suspected gunmen enter Turkish defence company
Here are the names and occupations of the five people killed, according to Turkey's state run news agency:
- Quality control employee Cengiz Coskun;
- Mechanical engineer Zahide Guclu;
- Employee Hasan Huseyin Canbaz;
- Security personnel Atakan Sahin Erdogan;
- Taxi driver Murat Arslan.
In addition to the five killed, two of the attackers - apparently one male and one female - were "neutralised" by police, according to ministers, but it's not clear if anyone else was involved.
No group has claimed responsibility, but senior Turkish ministers have suggested it's "highly likely" that Kurdish militant group PKK was behind the attack.
In retaliation, Turkish jets have struck several targets in northern Syria and northern Iraq it says are operated by the PKK, with "many" militants killed as a result.
The full scale of the strikes are not yet clear.