Powerful Explosion in Istanbul, Injuries Reported

A powerful explosion has occurred in the Beyoğlu district of Istanbul. This is reported by CNN's Turkish service. Residents in the area are being evacuated due to severe smoke conditions.

The blast was caused by an underground cable infrastructure. Reports indicate that more than 10 people have been injured, but there is no information regarding any fatalities.

It remains unclear under what circumstances or due to what factors the explosion took place.