The Japanese government is trying to confirm if one of its citizens has been captured in Syria by the militant group Islamic State.
The man was seen in a YouTube video lying on the ground being questioned by unseen people.
(SOUNDBITE)(English) MAN ON GROUND AS VOICES AROUND SAYING:
"Where are you from? Don't lie to me. You are not from Japan, where are you from."
MAN BELIEVED TO BE HARUNA YUKAWA ON GROUND SAYING:
"Japan"
MALE VOICE SAYING:
"Why are you here?"
MAN BELIEVED TO BE HARUNA YUKAWA ON GROUND SAYING:
"Job. Photography"
MALE VOICE SAYING:
"No, no, no. Photograph not dressed like this"
The man says his name is Haruna Yukawa.
That's the same name as the chief executive of a self-described private mercenary and security firm based in Tokyo.
Japan's Vice Minister for Foreign Affairs, Akitaka Saiki says they're trying to find out more about Yukawa's situation.
(SOUNDBITE)(Japanese) VICE MINISTE