Funeral services are held for one of the victims of the East River Helicopter crash.

Friends and family gathered in Dallas to say goodbye to Brian McDaniel.

He had been visiting with a friend here in the city, when the pair decided to board a liberty helicopter for a sightseeing tour.

It ended up crashing into the river. Five passengers were killed. The pilot survived.

Brian McDaniel was 26 years old and a member of the Dallas Fire-Rescue. The group says their hearts are heavy with grief as they try and come to grips with his loss.

The national transportation Safety board is investigating the cause of the helicopter crash.

Preliminary findings show no flight control malfunctions or evidence of engine abnormalities.