Ukraine has “a wonderful lever of pressure” on Hungary via the Druzhba – which translates to ‘Friendship’ – oil pipeline, Ukrainian energy minister adviser Lana Zerkal claimed on Thursday. Speaking during an online discussion at the Kiev Security Forum, Zerkal criticized the policy of the Hungarian government, which is blocking a sixth round of EU sanctions, one which would ban Russian oil. “Ukraine has a wonderful lever of pressure in its hands – it’s the Druzhba oil pipeline,” Zerkal said, adding that “something could happen” with Hungary’s separate part of the infrastructure. “And, in my opinion, it would be very...