Each day during the election campaign, Digital Spy will be tracking the performance of the major news broadcasters. Check in daily for a roundup of the latest ratings for the terrestrial news programmes and the rolling news channels.

Overnight data for Sunday, May 1 follows.

Terrestrials: Summary

The BBC's 10pm bulletin ranked as the most-watched national news programme of the day with an average of 4.12 million (19.6%) over 20 minutes.

Earlier in the day, Tony Blair's appearance on Breakfast With Frost pulled in 1.36 million (20.6%).

News Channels: Summary

News 24 took a convincing lead on Sunday with a collosal average of 49,000 viewers (0.79%) versus Sky's 37,000 (0.59%) between 10am and 7pm.

Sky's Sunday With Adam Boulton had 33,000 (0.67%) in the 10am hour.

News channels: Primetime Breakdown

7pm - 8pm
Sky News: 25,000 (0.19%)
News 24: 40,000 (0.34%)

8pm - 9pm
Sky News: 25,000 (0.19%)
News 24 (BBC News / Head 2 Head): 33,000 (0.24%)

9pm - 10pm
Sky News (Michael Jackson Trial): 16,000 (0.11%)
News 24 (BBC News / Fast Track): 31,000 (0.21%)

10pm - 11pm
Sky News (Sky News At Ten / Sky News): 26,000 (0.2%)
News 24 (BBC News / Dateline London): 21,000 (0.16%)

11pm - 12am
Sky News: 26,000 (0.32%)
News 24 (BBC News / Reporters): 15,000 (0.16%)

Ratings data supplied by ViewingFigures.com