A man has been arrested after six women were attacked over two months in a south London park.
The victims were attacked during the daytime in South Norwood Country Park, Croydon, between 3 May and 21 June.
Four of the women, aged from their early 30s to mid 60s, were sexually assaulted.
A man, whose age has not been released, remains in custody having been held on suspicion of sexual assault and robbery, police said.
About 80 people took part in a protest calling for more safety measures following the attacks.