Rayagada: Suspected Maoists triggered an explosion on Visakhapatnam-Raipur railway line in Rayagada district early today, injuring one person and blowing up a portion of track that led to disruption of train services on the route.

The blast triggered in the wee hours by a low intensity improvised explosive device (IED) damaged about one metre of track at Munikhol near Muniguda Railway Station, Rayagada SP K Sibasubramani said.