KASARGOD: A bomb was hurled at the house of a youth congress activist at Periya in Kasargod. The bomb was hurled at the house of Deepu Krishnan, friend of youth congress activists Kripesh and Sharath Lal murdered in Kallyot. The incident happened late last night. Though Deepu and his family were at home at the time of the incident, there were no casualties. The Bekal police has started an investigation. CPM activists are behind the attack, alleged the congress party. Security has been beefed up in the area. Panic spread after a bomb was hurled last midnight at Thaikandimukku at Aroor. Two pipe bombs exploded. There were some damages in the nearby houses. An inspection was conducted by the bomb squad. Police from Nadapuram reached the spot and collected the samples. BJP state panel member M P Rajan, DCC member K Sajeevan, CPI district executive member Rajeendran Kappally, CPM local committee secretary KP Balan, area committee member P K Raveendran visited the spot. The leaders who reached the spot sought a probe.