come hot on the heels of
US /kʌm hɑt ɑn ðə hiːlz əv/
UK /kʌm hɑt ɑn ðə hiːlz əv/

1.
to follow very soon after something else
:
•
The new product launch will come hot on the heels of a major marketing campaign.
•
His resignation came hot on the heels of the scandal.