Migrants are seen aboard Spanish migrant rescue ship Open Arms, close to the Italian shore in Lampedusa, Italy August 16, 2019.

A still image taken from a video shows migrants on board the Spanish rescue ship Open Arms as it heads towards Italy, August 15, 2019. The ship is currently anchored five miles (eight km) off the Italian island of Lampedusa with some 150 migrants who have been on board for two weeks. Open Arms/Handout via REUTERS.

A minor who was among migrants stranded on the Spanish migrant rescue ship Open Arms disembarks in Lampedusa, Italy August 17, 2019.

Spanish migrant rescue ship Open Arms is seen in front of the "Door to Europe" monument, close to the Italian shore in Lampedusa, Italy August 16, 2019.

A still image taken from a video shows migrants attempting to swim ashore after jumping off the Spanish rescue ship Open Arms, off the coast of Lampedusa, Italy, August 18, 2019. Open Arms/Handout/REUTERS.

Migrants evacuated from Spanish rescue ship Open Arms disembark in Lampedusa, Italy, August 19, 2019.

A still image taken from a video shows migrants on board the Spanish rescue ship Open Arms as it heads towards Italy, August 15, 2019. The ship is currently anchored five miles (eight km) off the Italian island of Lampedusa with some 150 migrants who have been on board for two weeks. Open Arms/Handout/REUTERS.

A coast guard boat is seen patrolling near the Spanish migrant rescue ship Open Arms, close to the Italian shore in Lampedusa, Italy August 15, 2019.

A minor who was among migrants stranded on the Spanish migrant rescue ship Open Arms disembarks in Lampedusa, Italy August 17, 2019.

A minor who was among migrants stranded on the Spanish migrant rescue ship Open Arms waves from a van after disembarking in Lampedusa, Italy August 17, 2019.

A still image taken from a video shows minors who were among migrants stranded on the Spanish migrant rescue ship Open Arms as they disembark in Lampedusa, Italy August 17, 2019. Open Arms/Handout/REUTERS TV via REUTERS.

A migrant who was on Spanish migrant rescue ship Open Arms, waits to embark a ferry to the mainland, in Lampedusa, Italy August 19, 2019.

A migrant evacuated from Spanish rescue ship Open Arms receives assistance after disembarking in Lampedusa, Italy, August 19, 2019.

Migrants evacuated by a Spanish rescue ship Open Arms disembark at Lampedusa, Italy in this undated handout picture provided by the Spanish NGO Open Arms on August 19, 2019. Francisco Gentico/Open Arms/Handout via REUTERS.

An Italian coast guard vessel is seen near Spanish rescue ship Open Arms near Lampedusa, Italy in this undated handout picture provided by the Spanish NGO Open Arms on August 19, 2019. Francisco Gentico/Open Arms/Handout via REUTERS.

U.S. actor Richard Gere gestures surrounded by rescued migrants aboard Open Arms rescue boat at Mediterranean sea, in this screen grab taken from a video, August 9, 2019. Open Arms/Reuters TV via REUTERS..

U.S. actor Richard Gere talks to a rescued migrant aboard Open Arms rescue boat at Mediterranean sea, in this screen grab taken from a video, August 9, 2019. Open Arms/Reuters TV via REUTERS.

A migrant is pictured after being transferred from the Spanish rescue ship Open Arms to the island of Lampedusa, Italy August 15, 2019.

Migrants are seen aboard Spanish migrant rescue ship Open Arms, close to the Italian shore in Lampedusa, Italy August 16, 2019.

U.S. actor Richard Gere helps to carry supplies aboard Open Arms rescue boat at Mediterranean sea in this picture provided by the Spanish NGO Open Arms on August 9, 2019. Open Arms/Handout via REUTERS.