Vandals have painted the word “traitor” across the front of a pro-EU MP’s constituency offices.
Labour MP Chris Bryant, who wants the UK to remain in the EU, said the graffiti on his Tonypandy offices would not change his mind on Brexit.
In a defiant tweet on Saturday morning, the Rhondda MP said the people who painted the abuse “underestimate” him.
South Wales Police said it was investigating and asked anyone with information to come forward.
Mr Bryant blamed “anyone who has poured a bit more bile into the pot” for contributing to a lack of respect.
None of his staff were in the building at the time, but he said it was unpleasant for his staff who had already faced abuse since the referendum in 2016.
He had already increased