ISTANBUL, Turkey - An investigation is underway into the cause of Wednesday's collapse of a 7-storey residential building in the Kartal district of Istanbul in Turkey.
Local authorities say it is too early to speculate as to the reasons for the collapse.
Meantime the death toll from the disaster has risen to seventeen, Turkey's Minister for Health Fahrettin Koca said on Saturday.
Another 13 people are being treated at the Lutfi Kirdar Kartal Training and Research Hospital, two of them have been described as being in serious condition.
Turkey's President Recep Tayyip Erdogan, in Istanbul on Saturday, expressed his and the country's condolences to the families of the victims.
"There are lessons we need to learn," he said on visiting the site of the collapse.