"Any criticism of what is happening in Ukraine is absolutely vetoed, otherwise you will be accused of being pro-Russian. There is no middle ground on this," Sanchez said.
According to Sanchez, this situation is preconditioned by the influence of Eastern European countries that joined the European Union recently.
"They do not want to hear anything about Russia and consider it an enemy, and [this Russophobia] has spread a bit inside the European Parliament," she added.
Sanchez offered that Russia should be seen as an ally rather than an enemy.
The mystery surrounding a string of alleged "suicides" in the past several months deepened last week after Oles Buzina, a journalist and critic of the Ukrainian government, was shot dead in Kiev less than a day after the shooting of Oleh Kalashnikov, a former government official under deposed Ukrainian President Viktor Yanukovych.
According to a poll published by El Pais in March, the left-wing Podemos party came first with 22.5 percent of those questioned who were going to vote at the parliamentary elections in Spain in the end of 2015, ahead of its two main Spanish political parties, the ruling conservative People’s Party and the Spanish Socialist Worker’s Party (PSOE).
