Veteran Malayalam actor Santhosh K Nair passed away on Tuesday morning following a road accident in Pathanamthitta. He was 65.The incident occurred around 6.30 am at Enathu, where the car he was travelling in reportedly collided with a lorry. His wife, Subhashree, who accompanied him, sustained injuries in the accident. The lorry driver was also injured.According to reports, Santhosh was undergoing treatment when he suffered a cardiac arrest, leading to his demise.