The most common and most likely answer to this crossword clue is the 6 letter word PRANGS
I've seen this crossword clue in The Guardian
P
R
A
N
G
S
Buddy explains!

The straight part
We know that "accidents/accidents" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case accidents/accidents = prangs.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.
What does PRANGS mean?
PRANGS noun- An aeroplane crash.
- A bombing raid.
- An accident involving a motor vehicle, typically minor and without casualties.
- Crack cocaine.
- To crash an aeroplane.
- To crash; to have an accident while controlling a vehicle.
- To damage (the vehicle one is driving) in an accident; to have a minor collision with (another motor vehicle).
- A type of tower or spire featured in some Buddhist temples of Thailand and Cambodia.