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:
Blast at Tupras refinery in Turkey kills four, production unaffected;ISTANBUL (Reuters) - An explosion in a storage tank at a Tupras refinery in the western Turkish province of Izmir on Wednesday killed four people but had no impact on production, the company said. Tupras said in a statement that the explosion occurred following maintenance work on Wednesday morning.  Television footage showed black smoke rising from the site of the blast. ;October 11, 2017

### Response:
True news

### End