"I sincerely urge everyone to accept the gravity of the ... situation."
Rajapaksa appointed nine new members to the cabinet on Friday, including to the critical health, trade and tourism ministries. But he did not name a finance minister and the portfolio is likely to be retained by Wickremesinghe.
Tourism-dependent Sri Lanka is facing a dire shortage of foreign exchange, fuel and medicines, and economic activity has slowed to a crawl.
"There is no point in talking about how hard life is," said A.P.D. Sumanavathi, a 60-year-old woman selling fruit and vegetables in the Pettah market in Colombo, the commercial capital. "I can't predict how things will be in two months, at this rate we might not even be here."