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:
Turkey detains seven people over explosion at Tupras refinery: NTV;ANKARA (Reuters) - Turkish authorities have detained seven people over Wednesday s explosion in a storage tank at a Tupras refinery which killed four people, broadcaster NTV said on Thursday. The explosion occurred following maintenance work at the company s refinery in the western Turkish province of Izmir, but had no impact on production. ;October 12, 2017

### Response:
True news

### End