The most common and most likely answer to this crossword clue is the 4 plus 2 plus 3 plus 6 letter word CAME TO THE RESCUE
I've seen this crossword clue in The Guardian
C
A
M
E
T
O
T
H
E
R
E
S
C
U
E
Buddy explains!
The straight part
We know that "Helped" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case helped = came to the rescue.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.