trouble spot 
noun
A place where difficulties regularly occur, especially a country or area where there is a continuous cycle of violence: she is famed for her reports from the world’s trouble spots...
- According to the mayor, Paradise Alley has been a trouble spot in town for as long as anyone can remember.
- An area of Ferrybank is also known to be a trouble spot and in private estates on the other side of the city anti-social behaviour is taking place.
- He removed a small bit that was just in front of the burned area revealing the trouble spot.
- omnicausality
- omnichannel
- omnicide
- omnicompetence
- omnicompetent
- omnidirectional
- omnidirectionality
- omnidirectionally
- omnifarious
- omniferous
- omnific
- omnificence
- omnificent
- omnifocal
- omniform
- omnifutuant
- omnifutuent
- omnigenous
- omnilateral
- omnilaterally
- omnilegent
- omnilingual
- omniloquent
- omni-loving
- Omnimax