Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
identify whether following news is true or not

Input:
Russian riot police detain opposition protesters in St Petersburg: Reuters witness;ST PETERSBURG (Reuters) - Russian riot police detained at least 10 opposition protesters on Saturday in central St Petersburg as hundreds of anti-Kremlin activists marched towards the city s main street, a Reuters witness said. Police across Russia detained more than 100 opposition activists earlier on Saturday for taking part in a wave of protests in support of jailed opposition leader Alexei Navalny ahead of a presidential election in March. The authorities said most of the protests were illegal because they had not been officially approved beforehand.;October 7, 2017

### Response:
True news

### End