 Complete the following phrase:  In Pertrograd, Janonis enrolled at the XII Gymnasium and joined the Russian Social Democratic Labour Party bolsheviks. For the revolutionary work, he was arrested in December 1916 and imprisoned in the Kresty Prison. Released, he traveled to Tartu where he met with Karolis Požela and . He took a train further south but once again was arrested and imprisoned in Vitebsk. He was freed after the February Revolution but his health was failing. He returned to Petrograd where he lived with Zigmas Angarietis and worked on publishing Tiesa Truth. He was a press correspondent at the 