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S/2016/738 16-14788 17/98 remnants found and the overall findings of the fact-finding mission. However, there are inconsistencies in the case, including the link between the remnants and the impact site or sites, accounts of the explosion and the individuals affected, which are being further investigated. 70. This assessment was based on the following: According to three witnesses, a Syrian Arab Armed Forces helicopter dropped a device or “barrel bomb” with chemicals at night over Binnish. However, there are inconsistencies in relation to the date and time of the incident, the impact location or locations and the description of the exposure to toxic chemicals suffered by the local population. Notwithstanding the inconsistencies and scarcity of information surrounding this case, the Mechanism has been able to corroborate some key elements, such as the remnants recovered by local respondents from an agricultural field in Binnish, which were subsequently recorded and documented. The remnants found at location No. 1 — the outer jacket, a canister and a plastic bottle — are consistent with the construction of a barrel bomb. The canister and the content of the plastic bottle were analysed by a laboratory, which found traces of chlorine or a chlorine-like substance in the canister. The laboratory also concluded that the content of the plastic bottle had been potassium permanganate. The chain of custody for the remnants was established. The Mechanism could not obtain any information concerning the explosion of the device. Nevertheless, it has received information on the impact location, which is being forensically analysed. 71. In relation to the cases of Kafr Zita (11 April 2014) and Al-Tamanah (29 and 30 April 2014 and 25 and 26 May 2014), the Leadership Panel found that there was either contradictory or insufficient information to reach a conclusion on the actors involved and does not recommend further investigation of the three cases. Kafr Zita, Hama governorate, 11 April 2014 72. The Leadership Panel examined the existing information and evidence regarding the incident in Kafr Zita on 11 April 2014 and determined that the Syrian Arab Armed Forces had executed air strikes in that area on that day. At least one explosion resulted from the air strike. 73. The Leadership Panel could not confirm the use of barrel bombs because the remnants of the device allegedly used had been removed from the site and could not be linked to any of the impact locations. 74. While a significant number of people — up to 150 — may have been exposed to chlorine on 11 April 2014, the Leadership Panel determined that there was insufficient information at the current stage to draw a conclusion on the actors involved. 75. This assessment was based on the following: On 11 April 2014, the Nusrah Front and several armed opposition groups were present in Kafr Zita. This area was subject to regular artillery and airborn