The most common and most likely answer to this crossword clue is the 6 letter word LONDON
L
O
N
D
O
N
More clues leading to the result LONDON
- See new sign of agreement over City
- Jack perhaps left close to river
- Lecturer working with fellow author
- Capital letters only needed definitely on names/initials
- Left about to get into capital
- Eccentric imprisons neighbourhood extremists in capital
- Writer Jack left supported by academic
- Capital – that of Latvia – on river
- Pound added by university fellow to the capital
- See 5
Buddy explains!

The straight part
We know that "Writer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case writer = london.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.