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Following the disbanding of Ansar Bait al-Maqdis in November 2014, another ISIL-affiliated offshoot group was indirectly formed in Egypt, known as Sinai Province or Wilayat Sinai, a Sinai-based group. Wilayat Sinai is a known ally of the Sheikh Omar Hadid Brigade, and both groups are known to have smuggled supplies to each other across the Egypt-Gaza border. This trading relationship was severely impeded during the summer of 2015, when the Egyptian Army dug a deep trench along the border.