Clean-up underway after building splashed in paint
Clean-up work began after an academic building was splashed in red paint by protesters.
Palestine Action claimed responsibility for the incident on the University of Cambridge's Senate House early on Saturday.
The group said the intention was to reflect "Palestinian bloodshed".
A university spokesman said the building was being cleaned and planned degree ceremonies would go ahead over the next few days.
Cambridgeshire Police said an investigation was on-going.
A spokesman for the force said they had been called to reports of "criminal damage" at around 03:00 BST on Saturday.
Palestine Action has accused the university of "repeatedly" ignoring pleas for dialogue from students and staff and of not taking "meaningful" action against the "atrocities" in Gaza.
The university has condemned the incident as an "act of vandalism" and said it was happy to engage with students.
In March, police launched an investigation after a painting of a politician, linked to the creation of Israel, was damaged.
Palestine Action said one of its activists had "ruined" a 1914 painting of Lord Balfour at Trinity College, part of the University of Cambridge.
A statement on the group's website said the painting had been "slashed" and sprayed with red paint.
Footage was also posted on social media.
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