Police Londonderry arrested a 32-year-old man from the Lettershandoney area on Sunday in relation to a paramilitary style shooting in the city.
The shooting happened in the city last week.
Press Eye Belfast - Northern Ireland 9th August 2017
Picture by Lorcan Doherty /PressEye.com
A man has been shot four times by a gang of masked men in a paramilitary-style attack in Londonderry.
The shooting happened in Lisfannon Park in the Bogside after 21:30 BST on Tuesday.
The 33-year-old man was taken to hospital with wounds to his legs and abdomen. His injuries are non-life threatening.
Police have described the attack by four men as "brutal and horrific" and have appealed for information.
Police said the man is also being questioned in relation to a previous attack which happened in Londonderry in March.