Links with Russia and the country’s long-standing EU candidacy are among the key issues in Sunday’s snap parliamentary vote

The mother of former Serbian President Aleksandar Vucic was attacked by his political opponents in Belgrade on Sunday, his Serbian Progressive Party (SNS) has alleged.

Serbia is voting for its next government and Vucic is running for prime minister. His ruling coalition has been polling strongly against a student-backed opposition movement, attempting to remove SNS from government after 14 years in power.

“A group of young men... shoved Angelina Vucic, screamed at her, and tore open the bags of groceries she was carrying from the market,” SNS said in a statement on its official website.…