Photostream : Bomb Attack in Istanbul

Injured people sit on the sidewalk after a suicide bomber blew himself up in the centre of Istanbul on October 31, 2010 wounding 15 people, the city's police chief said.'We think it was a suicide attack,' said police chief Huseyin Capkin, adding that two of the wounded were in a serious condition. Six of the injured were civilians and nine were police, he said. (STR/AFP/Getty Images)

Police officers hug at the scene after an explosion near the police vehicles in central Istanbul October 31, 2010. A suspected suicide bomber wounded 22 people in the centre of Turkey's biggest city on Sunday in an attack targeting police. (Photo by REUTERS/Osman Orsal )

A policeman stands at the scene after an explosion in Istanbul's central Taksim Square on October 31, 2010. A suicide bomber blew himself up in the heart of Istanbul on Sunday, wounding 15 people, the city's police chief said. AFP PHOTO/BULENT KILIC (Photo by BULENT KILIC/AFP/Getty Images)

Birds fly over police forensic experts on the scene after an explosion in Istanbul's central Taksim Square on October 31, 2010. A suicide bomber blew himself up in the heart of Istanbul on Sunday, wounding 15 people, the city's police chief said. (BULENT KILIC/AFP/Getty Images)

Police forensic experts work at the scene after an explosion in Istanbul's central Taksim Square on October 31, 2010. A suicide bomber blew himself up in the heart of Istanbul on Sunday, wounding 15 people, the city's police chief said. (BULENT KILIC/AFP/Getty Images)

Police forensic experts work at the scene after an explosion in Istanbul's central Taksim Square on October 31, 2010. A suicide bomber blew himself up in the heart of Istanbul on Sunday, wounding 15 people, the city's police chief said. (BULENT KILIC/AFP/Getty Images)

A firetruck arrives on the scene after an explosion in Istanbul's central Taksim Square on October 31, 2010. A suicide bomber blew himself up in the heart of Istanbul on Sunday, wounding 15 people, the city's police chief said. AFP PHOTO/BULENT KILIC (Photo by BULENT KILIC/AFP/Getty Images)

The remains of the alleged suicide bomber is seen on the ground as police arrives to secure the area after he blew himself up in the centre of Istanbul on October 31, 2010 wounding 15 people, the city's police chief said.'We think it was a suicide attack,' said police chief Huseyin Capkin, adding that two of the wounded were in a serious condition. Six of the injured were civilians and nine were police, he said. (STR/AFP/Getty Images)

Riot police stand guard as police forensic officers inspect the scene after an explosion near the police vehicles in central Istanbul October 31, 2010. A suspected suicide bomber injured at least 15 people in the explosion in Istanbul's central Taksim Square on Sunday, Turkish media reported. (Getty Images /REUTERS/Murad Sezer )

Police forensic officers inspect the scene after an explosion near the police vehicles in Istanbul's central Taksim Square October 31, 2010. A suspected suicide bomber injured at least 15 people during the explosion on Sunday, Turkish television channel NTV reported (Getty Images / REUTERS/Murad Sezer )

Police forensic officers inspect the scene of a suspected suicide bombing Istanbul's central Taksim Square October 31, 2010. The suspected suicide bomber injured at least 15 people on Sunday, Turkish media reported. It was unclear if the bomber had been killed by the explosion (REUTERS/Murad Sezer)