Ranchi, July 23 - Work will soon begin on building a diversion on the National Highway-33, connecting Ranchi to Patna, to avert any accident as a raging fire in a coal mine has threatened a section of the road, officials said Thursday.

The fire in the closed mines of Central Coalfield Limited (CCL) near Kuju of Ramgarh district has drawn close to the national highway, posing a threat to a three-km-long stretch. Smoke emanating from the underground fire is clearly visible near the highway.

The police have posted a team to keep close watch on the highway. Everyday, thousands of vehicles use the highway which connects the Jharkhand and Bihar capitals via Hazaribagh and Koderma.

'We will soon start work on a diversion of the national highway.