A 30-year-old man died after a car caught fire following an explosion on a national highway in Karnataka's Tumakuru district. Police identified the deceased as Nagendra and said the incident appears to have stemmed from a relationship dispute. According to preliminary findings, Nagendra allegedly attacked his partner, Ramya, with a knife during a cab journey after learning that police had been alerted. The driver and Ramya managed to escape moments before an explosion engulfed the vehicle in flames, killing Nagendra. Police suspect he had crude bombs in his possession, though the nature of the explosives is still being verified. Ramya sustained injuries and is undergoing treatment. Authorities are investigating the sequence of events and the circumstances that led to the explosion.