Bulletin world briefing: Brazil's Lula faces uphill battle in his fourth presidential term

1. The challenges that await Lula da Silva in his fourth term as Brazil's president
2. North Korea ramps up border tensions after accusing Seoul of fabricating landmine blast
3. Serbia’s students must navigate Russia and EU relations after historic election win
4. Pope Leo cleared for South America trip just weeks after cancer surgery
5. Why a murderer lost his legal battle to eat Vegemite behind bars

IN FULL

What next for Serbia after student movement's historic election win?