Melbourne's high-rise 'slums': Units shared with up to seven people are freely advertised on online classified websites.

Welcome to Sunday Express, your guide to the essential things you need to know today. Did we miss anything? Let us know in the comments below.

Weather: It's been the coldest morning in Melbourne since August last year, sitting at just 2.6 degrees in the city at 6.30am. We're heading for a top of 13. Areas of frost and fog will clear to a mostly sunny day, according to the weather bureau. Mornings in the week ahead promise to be warmer, with a forecast of eight degrees for tomorrow. By Tuesday afternoon the bureau expects rain.
Metro is working on the City Loop all weekend. These lines will run direct to Flinders Street and not go via the loop: Cranbourne, Frankston, Hurstbridge, Pakenham, Sandringham, South Morang. Meanwhile, buses will replace trains beween North Melbourne and Craigieburn on the Craigieburn Line all weekend.
Overnight, A police blitz of thousands of cars in the eastern suburbs has nabbed 18 drink-drivers over the limit. Knox and Maroondah Highway Patrol police officers conducted 2892 preliminary breath tests on Saturday night under Operation Snookered, which resulted in 18 positive returns including a blood alcohol reading of 0.168. The operation also uncovered nine drug-affected drivers.
Around the world, a racist website has emerged with photos of the Charleston massacre suspect; a car has ploughed into a crowd of shoppers in Austria; and a parachutist has been saved in a dramatic mid-air rescue.