Massive 3ft 'world's largest rat' that can sniff out landmines invading US
![Massive 3ft 'world's largest rat' that can sniff out landmines invading US](https://i2-prod.dailystar.co.uk/incoming/article32662279.ece/ALTERNATES/s615/1_large-gambian-pouch-rat.jpg)
EXCLUSIVE: The massive rat is the biggest species in the world giving it a distinct advantage over local populations, posing an ecological threat after they were accidentally released