You're reading: UNIAN: Wiltshire police declare major incident after couple exposed to substance near Salisbury

British police declared a major incident on July 4 after a couple fell ill from possible exposure to an unknown substance near the southern English town of Salisbury.

Wiltshire police appealed for information after cordoning off sites in and around Amesbury and Salisbury in southern England overnight into July 4, Deutsche Welle reports.

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