Linda Tan was to have summited this afternoon at about noon Singapore time. However, no-one has heard from her yet. All we know is that according to the expedition website, she turned back to Camp 4.

After an exceptionally gruelling ascent to Camp 4, Linda Tan has decided to delay her summit attempt by one day, and she will only have one shot at it.

Linda Tan will make a summit push this Sunday, and adventurer Khoo Swee Chiow gives us some insight on what kind of conditions she will be facing.

Linda Tan's attempt to be Singapore’s first woman to summit Mount Everest is back on track. She has made it as far as Camp 3, and will attempt the summit later this week.

Linda Tan, who is attempting to be Singapore’s first woman to summit Mount Everest, has been diagnosed with a chest infection and has descended to Pangboche, a village about 1000m below Everest Base Camp.

Despite catching the flu and facing weather and political uncertainties, Linda Tan is in good spirits and making steady progress.

Surrounded by some 100 family, friends and colleagues, 28-year-old Linda Tan set off from Changi Airport this morning for the adventure of her life. She is attempting to be Singapore’s first woman to summit Mount Everest.