TORONTO -- The community of Triton, N.L., is in shock following a deadly crash that killed four people, including two teenage girls and their grandfather.

The collision happened around 3:30 p.m. Sunday on Route 380 near the town of Robert’s Arm, about 200 kilometres northwest of Gander, N.L.

The teenage girls, aged 14 and 16, and their grandfather were killed in the crash. Their grandmother, who was a passenger in the vehicle, remains in hospital in serious but stable condition, according to RCMP.

“This is a real hit-home tragedy with two young people and a grandfather being deceased,” Triton Mayor Jason Roberts told NTV News.

The driver and lone occupant of the second vehicle, a man Roberts says was well known and respected in the community, was also killed.None of the victims' names have been released.

Route 380 was closed by RCMP for several hours following the crash.

An RCMP spokesperson told CTVNews.ca traffic services attended the scene, but the cause of the collision is still under investigation.

Roberts says the small community has been shaken by the deadly incident, but residents have come together to show support for the families involved.

“Our town is a very upbeat town [that] likes to reach out and help not just the people in our in town, but people all the way around,” he said.

- With files from NTV's Colleen Lewis