TAMPA, Fla. - The Hillsborough County Sheriff’s Office is investigating two drownings at a hotel over the weekend.

A 12-year-old boy and his 17-year-old sister died after the incident at the Clarion Inn at 9331 East Adamo Dr. around 3:19 p.m. Sunday.

Sebastano and Kesha Greco were from Dallas, according to the Hillsborough County Sheriff’s Office. They were in Tampa with a church group for a function.

When rescuers arrived, the children had been pulled from the pool and were unresponsive. Crews tried resuscitation efforts, but were unsuccessful.

Law enforcement does not suspect signs of foul play.

The investigation is ongoing.