Another victim of the Moscow airport suicide bombing has died in hospital, taking the death toll to 36, Russian officials said.
The January 24 attack in the international arrivals hall of Domodedovo Airport also wounded around 180 people, 114 of whom remain in hospital, according to health ministry figures.
Investigators say the suicide bomber was a 20-year-old man from the volatile Caucasus region in the south, suggesting Islamist terrorist cells known to operate there planned the attack.
There has been no claim of responsibility. Citizens of Britain, Germany, Austria and Ukraine were among those killed in the bombing, which authorities said deliberately targeted foreigners.