A specialist team member in a police protective suit in Salisbury, England, last month. British police scoured sections of Salisbury and Amesbury in southwest England, searching for a container feared to be contaminated with traces of the deadly nerve agent Novichok.

A specialist team member in a police protective suit in Salisbury, England, last month. British police scoured sections of Salisbury and Amesbury in southwest England, searching for a container feared to be contaminated with traces of the deadly nerve agent Novichok.