Britain's Minister of State for Immigration Caroline Nokes arrives in Downing Street in London, February 6, 2018. REUTERS/Hannah McKay

LONDON (Reuters) - A suspicious substance found at the constituency office of British immigration minister Caroline Nokes in southern England is not hazardous, police said on Tuesday.

“A cordon was put in place as a precaution while tests were carried out to establish what the substance was,” they said in a statement.

“Following those tests we can confirm that the substance is not hazardous and there is no risk to the public.”