Eighteen Romanians died and 28 others were injured when their bus crashed in Montenegro in one of the deadliest road accidents the tiny Adriatic republic has seen, police said Monday.

The initial toll of 16 from Sunday's crash rose overnight as two people succumbed to injuries in hospital in the capital Podgorica, a police official told AFP.

Twenty-six other passengers in the bus carrying mostly elderly tourists were injured, and several remained in critical condition.

All 46 passengers aboard the Romanian bus were pulled out from a 50-metre (160-foot) deep ravine near the river Moraca.

The crash ocurred when the bus slid off the road into a gorge in a mountainous region some 30 kilometres (18 miles) from Podgorica.

"The driver drove a little too fast and the bus slid," a survivor Carmen Dorobet told Montenegrin media.

The identities of the victims have not yet been revealed.

A 12-year old Montenegrin boy was also injured as he walked along the road when the bus struck him. The boy was also hospitalised but his injuries were not life threatening, doctors said.

The road from mountainous northern Montenegro towards Podgorica and its part of the Adriatic coast has been the scene of frequent crashes.

In 2006, a train slid off the railroad in the same area, with 47 passengers killed.

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