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.
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
Teignmouth lido to be sold off
Users say it should be kept for the community
Dumped batteries could still cause bin lorry fires
I'm worried that fires could still be an issue'
Stolen telehandler used in Co-op ram-raid
Taken from farm near Plympton
