In an interview with Sky News, he showed materials that were found in the possession of one of the Hamas fighters. According to the TV channel, they were found in Kibbutz Be'eri.
"These are official materials of al-Qaeda, we are dealing with ISIS, al-Qaeda and Hamas," the president added.
According to the TV channel, the materials contain instructions that can be used to create non-professional chemical weapons.
Earlier, the Israeli Defense Ministry said that the operation against Hamas in Gaza could take up to three months.
* Al-Qaeda is a terrorist organization by the decision of the Supreme Court of Russia on February 14, 02.
** "Islamic State" (IS, ISIS) is an organization recognized as terrorist by the decision of the Supreme Court of the Russian Federation dated 29.12.2014.