Current affairs program 7.30 is riding high on the back of its recent exclusive on illegal live baiting in greyhound racing.

On Tuesday, 738,000 viewers tuned in to see host Leigh Sales interview Federal Communications Minister Malcolm Turnbull defend Tony Abbott as Prime Minister.

· New mums shouldn’t be fair game
· Turnbull says he’s got the ticker
· Final journey: Bali Nine pair taken from jail

The ABC1 show has beaten reality shows The Block Triple Threat and I’m A Celebrity … Get Me Out Of Here in the 7.30pm timeslot on OzTAM’s ratings on consecutive nights.

The Block Triple Threat has been on the improve since a sluggish start to the season (726,000), while I’m A Celebrity … Get Me Out Of Here (668,000) continues to flag at 13th spot.

Reality show My Kitchen Rules (1.602 million) was the clear winner and the only program to attract more than a million viewers for the evening.

Most watched shows on Tuesday

1. My Kitchen Rules (Seven) – 1.602 million

2. Nine News (Nine) – 987,000

3. Seven News/Today Tonight (Seven) – 963,000

4. Seven News (Seven) – 939,000

5. Nine News 6.30pm (Nine) – 920,000

6. A Current Affair (Nine) – 910,000

7. ABC News (ABC1) – 903,000

8. The Big Bang Theory (Nine) – 871,000

9. Home And Away (Seven) – 858,000

10. 7.30 (ABC1) – 738,000

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11. The Block Triple Threat (Nine) – 726,000

13. I’m A Celebrity…Get Me Out Of Here! (Ten) – 668,000