ben weedman is live from jerusalem.fter at certification by the prime minister, has any group claimed responsibility? >> reporter: just to update you victor, this morning the prime minister netanyahu after a cabinet meeting came out and was much more specific. he said it is hamas that is behind the kidnapping. this would indicate perhaps they've managed to extract a more intelligence, more information from the approximately 80 people that they detained overnight, among whom are some fairly senior officials in hamas, which of course operates underground in the west bank. one additional bit of information, i just got off the phone with the spokesman for the israeli army. they say they have called up a limited number of relevant reservists as a reaction to these kidnappings, these alleged kidnappings. now, regarding claims of responsibility, there have been several notably not from hamas, which called the prime minister's assertions stupid, but we have received several claims of responsibility, most disturbingly is this on