Possible Clues:

• Embarrassed on street exercising dog
• The ruddy brute does a type of work for the Irish Times
• Embarrassed, left abandoning colonist's best friend?
• Trot with me and the dog
• Barker embarrassed over yours truly
• Dog, note, by entrance to Downing Street, barking
• 'Dogged work for a type of communist (3,6)'
• Dog left me
• The sort of ruddy brute of a type to be found in The Irish Times