United Airlines flight forced to divert mid-air after disgusting act sparks 'biohazard'
![United Airlines flight forced to divert mid-air after disgusting act sparks 'biohazard'](https://i2-prod.mirror.co.uk/news/us-news/article33345779.ece/ALTERNATES/s615/1_files-us-aviation-earnings-americaairlines.jpg)
A United Airlines flight has been diverted after a 'biohazard' was found in the crew area, according to audio released on social media - with a similar issue happening last month