A teenager has been charged after paint was thrown at a mosque and a rock smashed a window while worshippers were inside.
Aberdeen Mosque and Islamic Centre has condemned incidents which happened on Saturday evening.
In the first incident, paint was allegedly thrown at the door and pavement area on Spital and a few hours later a rock came through a window of the mosque.
Police are treating the incident as a hate crime and said a 17-year-old boy has been charged.
Nobody was hurt but those in the building were left shaken.
A mosque spokesperson told the PA news agency: “The rock went through the window and (it) shattered. Everybody was fine but people are a bit shaken.
“It happened at around 9pm while prayers were going on.”
A Police Scotland spokesperson said: “Following an investigation into reports of vandalism at a mosque in Spital, Aberdeen, officers have arrested and charged a 17-year-old male. The incident occurred on Saturday 15 March.
“Police are treating the incident as a hate crime.
“The male has been released on an undertaking and will appear at court at a later date.”
In a joint statement on social media, the Mosque and Islamic Centre thanked those who offered support in the aftermath and praised “kind neighbours and worshippers” who united to help clean up the mess.
They said: “We are very grateful to our neighbours and well-wishers in these difficult times.”
They added: “The mosques in Aberdeen would like to assure all members of the community that, in light of these incidents, all the mosques are taking additional security measures as well as being assured of support from the police.
“The police will be performing additional patrols around the mosques during prayer and other busy times.
“We would ask all attendees and worshippers to please be alert and remain vigilant, however, do not be alarmed and continue with your efforts and prayers to gain maximum benefits from this blessed month of Ramadan.”