Large US City (6) Have letters as follows P?S?O?. Any answers please. Also please confirm palindrome which advises caution around dogs and cats, etc. Is it SEEP ON NO PEES
9d. Taking advantage of the hospitality of others (11) 7a. Contemporary, newsworthy (7) and 15 a. Beliefs held by some people that others consider out of date (11) Help need please. Many thanks.
20a. With hand on hip and elbow bent outward (6) A?I?B? and 17a. Unpleasantly smelling European mammal of the weasel family (7) ?O?E?A? Help needed please. Many thanks.