New Delhi, Nov. 11 -- Graham Platner is facing major controversy over his past social media posts. The Democratic Senate candidate from Maine is under the scanner also for a Nazi tattoo.

He has a skull-and-crossbones tattoo on his chest, which critics say resembles Nazi symbols. Platner claims he got it while drunk during his Marine service and did not know its meaning.

Platner is attempting to win a US Senate seat that has been long held by Republican Susan Collins. However, he must face Maine's Democratic primary against Gov. Janet Mills first.

Old Reddit posts show him calling himself a communist. He criticised rural white Americans as "racist and stupid". He also downplayed sexual assault in the military and abused police officers....