1: Right, turn right to play with robot (3)

3: Wooded hillock forming part of Arthur's territory (5)

6: A revolutionary New England state or an Indian state (5)

7: Unappealing environment for a snooze (3)

8: Difficult newspaper or novel (4,5)

11: Bloody bored inside (3)

13: ... but go oil crazy in snow house (5)

14: Good Republican source of life-giving system for short-handed office workers (5)

15: One may be a very long time (3)

1: Come to Korea - Chinese part (5)

2: Part of stair is erect (5)

3: Poor man's right to make powerless (9)

4: Control escape (3)

5: Perfect counter-spy equipment (3)

9: Scrimmage as Confederate general introduces himself to Tarzan? (5)

10: Demonstrated the way in which to keep poles apart (5)

11: Fix the oil platform ... (3)

12: Pass mould (3)