It's said to have happened on Sidwell Street on Monday 15 July.
A woman was approached by another woman who took her phone and then punched in the nose at around 11pm.
Officers have issued a picture of a woman they wish to speak to as part of their investigation.
Radio Exe listening reaches highest level ever
It's up a third in a year
Seventh weather warning hits Devon
Not another one!
Police probe Airbnb owners after Co-Op heist
Did thieves stay with you?
Second swimmer named after Budleigh Christmas swim
The father of two was found at Sandy Bay
New support service for survivors of rape and sexual assualt
Police and Crime Commissioner launches new campaign
Flag removal on one Exeter road could cost £6k
Taking flags down on Bridge Road cost an estimated £6,000
