Turkish President Recep Tayyip Erdogan condemns the attack in Istanbul saying it "cannot be forgiven."
"We will fearlessly and tirelessly continue our fight against these terrorists, until the end," Erdogan says after visiting injured people in hospital. He vows to keep up the fight until the "Day of Resurrection."
"We need to expect these kinds of things from terrorists, always and everywhere, and be prepared accordingly," Erdogan says, vowing to "minimize" the threat.
The president says investigations are ongoing and further information is expected soon.