A building collapse occurs in Sydney’s inner suburb of Ultimo, near a service station on Wattle Street, prompting a major emergency response. Multiple outlets report that two people are seriously injured and are taken to hospital. The Guardian adds that the injured people include two men, aged in their 30s and 60s, who are pulled from debris and transported to hospital in serious condition, according to Ambulance NSW. Other reports describe two people being hospitalised after the collapse and do not specify additional injuries. The Guardian also states that ambulance personnel assess a further five people after the incident, though it does not report that they require hospital treatment. Across the coverage, all sources agree the collapse involves part of a building and includes damage to a roof and wall area. Police and emergency services respond at the scene on Wattle Street as authorities manage the immediate aftermath. The exact cause of the collapse is not described in the provided articles.