hot on someone's heels
- (idiomatic) Close behind; pursuing or following closely.
- She left the restaurant with him hot on her heels.
2012 April 9, Mandeep Sanghera, “Tottenham 1 - 2 Norwich”, in BBC Sport:
- Newcastle beat Bolton to increase the pressure on the Londoners, while Chelsea are also hot on the heels of faltering Tottenham, who have one win from their last eight games.