There are legitimate fears that an already acute humanitarian crisis will worsen rapidly as deliveries of food and medicines fail to be delivered inland.

While the team managed to maintain the scheduled pace for most of the return leg, and hence was virtually always on full rations, their condition continued to worsen rapidly.

His dad's health has worsened rapidly and his mum told me he now has terminal cancer too.

He had been suffering from idiopathic pulmonary fibrosis, a progressive lung condition, which worsened rapidly in recent weeks, his family said.

The tower's condition then worsened rapidly.