A 19-year-old woman suffered a fractured jaw after allegedly being assaulted by a man.
Police received a report of an incident in Sweyn Road, Cliftonville, between 8pm and 8.30pm on Sunday.
A man, also aged 19 and thought to be known to the woman, from Margate, was arrested on suspicion of assault.
The attack is being linked to a previous report of an assualt on the same night.
The suspect has been bailed until Ocotber 4 while inquiries continue.
Investigating officer detective constable Carl McGee said: "The victim and offender are known to each other and we believe the assault is linked to a previous report of an assault at a house in Ethelbert Crescent, Cliftonville, earlier that evening, which we are also investigating.
"We are following a number of lines of enquiry but would like to hear from anyone who saw the incident in Sweyne Road so we can establish exactly what took place.
"If you can help please phone Kent Police on 01843 222289 quoting reference ZY/053629/18."