If the Secretary of State considers it necessary for the preservation of the peace or the maintenance of order, he may authorise a person—
(a)to take possession of land or other property;
(b)to take steps to place buildings or other structures in a state of defence;
(c)to detain property or cause it to be destroyed or moved;
(d)to carry out works on land of which possession has been taken by virtue of this section;
(e)to take any other action which interferes with a public right or with a private right of property.