Two Dutch teenagers were found dead in their Istanbul hotel room and their father hospitalized, with initial suspicion falling on a restaurant meal they had eaten.

Axar.az informs, citing Al Arabiya, the boys, aged 15 and 17, were deceased when police and paramedics arrived at the hotel where they were staying.

“When they arrived, ambulance paramedics noted the two children were deceased. The father was taken to hospital by ambulance” in a state of shock.

The three had been vacationing in Turkiye and were believed to have gone to the touristy Taksim district for dinner.

The 57-year-old father told police he had gone with his sons to Taksim “but did not eat,” the Haber Turk news outlet reported.

Istanbul police have launched an investigation.