THIRUVANANTHAPURAM: The man, who attacked the rented house of Minister of State for External Affairs V Muraleedharan in the capital city, has been arrested. The arrested is identified as Manoj of Payyannur in Kannur. Police said that he is a mentally unstable person. Manoj, who had earlier worked in a hotel in the capital city, was nabbed from Thampanoor railway station last night. The police found that he had stayed in Sreekaryam ten years ago.