A strange one today. I'm left with four interlocking clues at the top:
12A Like our canines, can get bored . (9) ?r???a?l?
3D .... wrongly lied about 6 (6) d?p???
8D Explosive speech in The Mitre (9) ?e???r?s?
11A Satellite dish rented out, without Sky having the deal, initially (6) ?e?e??
Strong hints welcomed!