1: Requires five kills, or a single accurate shot. (3)
2: Dancer's unfinished song about Ireland (9)
3: Sap crossing street to see fair play (7)
4: Write Dorothy's aunt into the motif (5)
6: Silver cap for crewless name (7)
8: Strap, though short, has hanger's heart (5)
11: Mann's 'Death in Venice' Dorothy sent up (3)