Avichai Adraee, the army's Arabic-language spokesman, says information he was not previously aware of has raised 'suspicions about the credibility' of his original claim

Arabic spokesman's social media posts claiming attack targeted Islamic Jihad rocket chief remain in place without clarification

Hamas said calling for International Criminal Court to investigate the civilian deaths; Israeli military says it believed building to be empty

Military sources tell newspaper the intent had been to hit Islamic Jihad infrastructure; neighbors say terrorist commander lived in the house but was not there at the time