Sitamarhi: With the arrest of one Nikesh Kumar, police on Sunday claimed to have solved the death of one Pintu Kumar (25), who was stabbed to death near village Sirahi-Sahbajpur bridge in Sitamarhi district. SHO Sanjiv Kumar said Nikesh was identified with the help of special surveillance and CCTV footage. Nikesh was friend of Pintu and both were residents of Sirahi. Their relationship soured over a love affair, after which Nikesh killed Pintu. A knife was recovered from Nikesh's possession, said the police.