Jack Yu wants to vote in Saturday’s crucial election in his home state of Johor, Malaysia, but being based in Hong Kong has left him frozen out after he missed the short window to register for a postal vote. Hong Kong is home to an estimated 15,000 Malaysians working across finance to hospitality. Many remain closely engaged with politics back home – more so when the result could reshape the balance of power in Putrajaya. Yu, 36, missed the Johor registration, despite having voted by post before