Some 4,655 migrants were rescued and 28 bodies were recovered in 33 operations on the stretch of sea between Sicily and Libya, the Italian coastguard said Wednesday.
The rescues took place Tuesday, with the contribution of he Italian and Irish navies, private merchant ships and tug boats, the EU border agency Frontex and several non-governmental organizations.
Authorities intercepted 27 dinghies, five small boats and one larger vessel, the Guardia Costiera said.
On Monday, more than 6,000 migrants were rescued and 10 bodies were recovered, including of a pregnant woman. Two other women gave birth immediately after being rescued by the coastguard.
The International Organization for Migration (IOM) said Tuesday there were 10 bodies among the more than 6,000 boat migrants who were rescued the previous day off the coast of Italy.