SINGAPORE - Catch up with the hottest topics on The Straits Times' new weekday talk show.

The Big Story, broadcast every weekday at 5.30pm on Facebook and YouTube, has reporters and senior editors discussing the top stories of the day, in the heart of the newsroom.

On Wednesday's (Sept 11) episode, political and housing correspondent Rachel Au-Yong and ERA Realty's head of research and consultancy Nicholas Mak will discuss the key changes to HDB rules.

They will also talk about how it will affect first-time HDB flat buyers, sellers, and the housing market.

Environment correspondent Audrey Tan will elaborate on the factors contributing to the haze in Singapore and what Singaporeans can expect in the coming weeks.

To wrap up the show, tech editor Irene Tham will discuss why Apple is cutting the price of its entry-level iPhones by US$50 (S$69), and why the company is inventing its own ecosystem to keep users on its devices.

Topics covered in previous episodes include how supermarket giant NTUC FairPrice and fast-food chain McDonald's are trialling an initiative to cut down on plastic bags and plastic packaging; new government measures to encourage parenthood and marriage; the instances where people have to give their NRIC details under stricter rules from Sept 1; and how the growing presence of virtual restaurants and ghost kitchens by food delivery apps disrupt the food and beverage scene here.