1a - Finished up using one's authority to cancel (10) O-E-R---N- (Overriding or Overruling perhaps?)
14a - In row backing East Jerusalem (5) N-I-E
4d - Cairns must live with these dogs, note, during travels (7) --N-O-S (If 1a is one of my options then this one begins with either D or L)
Ta!