Per 
Item #: scp-5318
Object class: euclid
Special containment procedure: SCP-5318 cannot be contained as per any means known currently by the foundation, any ideas for containing SCP-5318 are accepted from anyone
Description: SCP-5318 is an approximately 2.3 meters semi-humanoid creature, featuring a variation from brown, black and white skin with fur found on its shoulders and back, SCP-5318 presents a tail which is often used as a third arm and claws capable of cutting through 5 inches reinforced steel.
SCP-5318 seems to manifest at random times on top of, under, and on the side of trains.
SCP-5318 seems to prefer diesel-powered trains and it never manifests on passengers' trains.
Upon:
- touching
- hitting
- attempting communication
- blocking its view
- staring at for longer than 5 minutes
SCP-1538 will begin violently attacking anyone who has disturbed it and sometimes even going as far as destroying the entire train. SCP-5318's victims, after the attack are consistently missing their: brains, hearts, and lungs.
The foundation has yet to discover what use does SCP-5318 find to organs listed above.
If the train which SCP-5318 has manifested on either:
- passes another train
- enters a yard
- enters a tunnel
Any and all instances of SCP-5318 will shortly disappear.
Addendum
Incident-1
25th of March 20⬛⬛- 2 instances of SCP-5318 have been triggered by one of the workers on the train [Redacted] in [Redacted], Scotland.
5 people were killed during the incident, all missing the heart, the lungs, and the brain.
2 out of the 5 cargo locomotives were found destroyed, being beyond repair.
The attack has been covered as a terrorist attack.
Incident-2
25th of December 199⬛-1 instance of SCP-5318 has been triggered near [Redacted] California by one of the workers who has been staring at it for 5 straight minutes.
1 casualty
The train has not suffered any notable damages
The incident was covered as a murder.
