67To that extent, it must be recalled that the Member States may derogate, under certain conditions, from the derived right of residence, flowing from Article 20 TFEU, for a family member of a Union citizen referred to in paragraph 58 of this judgment, in order to maintain public order or safeguard public security. That may be the case where the third-country national represents a real, immediate and sufficiently serious threat to public order or public or national security (see, to that effect, judgment of 8 May 2018, K.A. and Others (Family reunification in Belgium), C‑82/16, EU:C:2018:308, paragraph 92 and the case-law cited).
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