The most common and most likely answer to this crossword clue is the 4 letter word RAID
I've seen this crossword clue in Financial Times
R
A
I
D
More clues leading to the result RAID
Buddy explains!

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 RAID mean?
RAID noun- A quick hostile or predatory incursion or invasion in a battle.
- An attack or invasion for the purpose of making arrests, seizing property, or plundering
- An attacking movement.
- An activity initiated at or towards the end of a live broadcast by the broadcaster that sends its viewers to a different broadcast, primarily intended to boost the viewership of the receiving broadcaster. This is frequently accompanied by a message in the form of a hashtag that is posted in the broadcast's chat by the viewers.
- A large group in a massively multiplayer online game, consisting of multiple parties who team up to defeat a powerful enemy.
- To engage in a raid against.
- To lure from another; to entice away from.
- To indulge oneself by taking from.