Kostenko's family questioning official statement following reports of military casualties in Syria.
Ruling AKP launches crackdown on Islamic State militants in Turkey
BREAKING: Facility run by MSF in Saada targeted in latest bombing of civilian target.
BREAKING: Hundreds wounded in 7.5 quake that struck South Asia
BREAKING: Initial reports of a 7.7-magnitude quake felt across the region.
Professional killers told Bangladeshi police they were hired to create chaos in the country.
Maung Saungkha accused of defaming president after controversial Facebook poem.
Syrian-American medical organisation says nine Russian raids have hit Syria hospitals.
BREAKING: Shao Jiang released on bail along with two female activists.
Masked militant threatens to slaughter Jews in Jerusalem and Palestine.
BREAKING: Kurdish and American forces take part in risky operation to rescue hostages of Islamic State.
Four children reported injured after man in disguise attacked school in western Sweden.
Vice president of the US opts out of presidential race, citing grieving process over loss of son.
Activist already spent a year in jail for taking part in 2011 pro-democracy protests.
Family and colleagues seek to shut down speculation over the journalist's death.
Italian Jesuit priest was allegedly kidnapped by Islamic State in July 2013.
Scottish and American prosecutors invited to Libya to question new suspects in Pan Am flight 103 terror attack.
More than 140 people arrive in UK sovereign territory in the Mediterranean island
Nablus holy site is flashpoint of violence between Jews and Muslims.
The aircraft reportedly intruded into Turkish airspace and was downed in line with the rules of engagement after being warned three times.
The navy recovered 118 bodies of refugees from April shipwreck.
32 Palestinians and seven Israelis have been killed over two weeks of violent unrest.
Turkish authorities knew that Isis suspect Yunus Emre Alagoz owned tea restaurant in Adiyaman.
EU leaders look to strike a deal with Turkey to stop refugee influx
Artists hired to add 'authenticity' to Showtime TV series uses Arabic slogans criticising the show
MSF president Joanne Liu appeals to safeguard ability of humanitarian organisations to work in conflict zones.
Alleged Isis member killed at least 97 people at peace rally in Turkish capital.
Strict measures include army deployment, curfews, and demolition of attackers' houses.
Rockets crashed into embassy as 300 people gathered to express support to air strikes.
Three Israeli people have been killed in latest wave of attacks.