A small bomb exploded in downtown Istanbul and slightly wounded three children and two teenagers, Turkish police said Friday morning. The police said the bomb went off Thursday evening outside an Internet cafe in crowded Beyoglu district, adding that two teenagers as well as three children aged between 4 and 9 were slightly injured. Bomb experts later detonated another bomb left on the same street, according to police. There was no immediate claim of responsibility for the attack. Outlawed Kurdish, leftist and Islamic groups have staged bomb attacks in Turkey.