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It’s believed that Phelim may have been suffering the effects of long Covid as he began showing signs of High Altitude Pulmonary Edema (a potentially fatal illness), forcing him to abandon the climb.
When news came back to Greystones that the teenager had made it to base camp whilst her husband had to turn back, mum Róisín O’Connell was both “proud and worried sick” at the same time.

Tomás on top of the world. Or thereabouts.
t’s a remarkable achievement for any adult, but for 15-year-old Tomás O’Connell
to make it all the way to the Everest base camp is a little beyond belief.

The trek was part of an Earth’s Edge group with experienced expedition leader James McManus, and it was decided Tomás should continue under his supervision.