A country-made bomb was found onboard a Bangalore-Thiruvananthapuram flight of a private airliner on its arrival at the international airport in Thiruvananthapuram this morning, putting security agencies on alert. <br/> <br/>According to airport security sources, the bomb, about the size of a cricket ball, was found during a security check of the cargo section of the aircraft after the passengers had deplaned. The aircraft was immediately moved to the isolation bay and the package containing the explosive material was removed and defused.<br/> <br/>Security officials at Bengaluru International Airport termed the detection of the bomb on the flight as a security lapse on the part of the airline. <br/> <br/>Officials told PTI that the responsibility of screening the items put into the cargo hold rests with the respective airline. <br/> <br/>Meanwhile, Kingfisher Airline in a statement said all 27 passengers "are safe" and the aircraft is being checked by security agencies.<br/><br/>