A Palestinian boy charges a mobile phone from batteries offered as a free service in his neighborhood which experiences power shortages, in Johr El-Deek in Gaza January 31, 2018. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

A Palestinian farmer throws wheat seeds during a tour by the International Committee of the Red Cross (ICRC), near the border with Israel, in the southern Gaza Strip January 29, 2018. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

Palestinians take part in a protest against aid cut, outside the United Nations Relief and Works Agency (UNRWA) office, in Rafah in the southern Gaza Strip January 21, 2018. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

A Palestinian woman feeds her daughter as they sit by a fire on a rainy day in Khan Younis in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

A Palestinian woman stands by a fence during a protest calling on Egypt to open Rafah border crossing, in the southern Gaza Strip January 7, 2018. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

Palestinian children sit in a donkey cart on a rainy day in Khan Younis in the southern Gaza Strip January 6, 2018. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

A Palestinian woman rests at her house in Khan Younis refugee camp in the southern Gaza Strip January 3, 2018. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

A Palestinian man charges his mobile phone from batteries offered as a free service in his neighborhood which experiences power shortages, in Johr El-Deek in Gaza January 31, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian boy looks on as mobile phones of residents are charged from batteries offered as a free service in his neighborhood which experiences power shortages, in Johr El-Deek in Gaza January 31, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinians charge their mobile phones from batteries offered as a free service in their neighborhood which experiences power shortages, in Johr El-Deek in Gaza January 31, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian boy charges a mobile phone from batteries offered as a free service in his neighborhood which experiences power shortages, in Johr El-Deek in Gaza January 31, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian farmer throws wheat seeds during a tour by the International Committee of the Red Cross (ICRC), near the border with Israel, in the southern Gaza Strip January 29, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian farmers throw wheat seeds during a tour by the International Committee of the Red Cross (ICRC), near the border with Israel, in the southern Gaza Strip January 29, 2018. REUTERS/Ibraheem Abu Mustafa

Guislain Defurne, Head of the International Committee of the Red Cross (ICRC) sub-delegation in Gaza, throws wheat seeds with Palestinian farmers, near the border with Israel, in the southern Gaza Strip January 29, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian farmer throws wheat seeds during a tour by the International Committee of the Red Cross (ICRC), near the border with Israel, in the southern Gaza Strip January 29, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian woman takes a photo as she watches a local soccer match in the central Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian women watch a local soccer match in the central Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian women watch a local soccer match in the central Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian women watch a local soccer match in the central Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinians watch a local soccer match in the central Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian women watch a local soccer match in the central Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian child holds bread during a protest against aid cuts, outside the United Nations' offices in Khan Younis in the southern Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

Palestinian children hold bread during a protest against aid cuts, outside the United Nations' offices in Khan Younis in the southern Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian child holds bread during a protest against aid cuts, outside the United Nations' offices in Khan Younis in the southern Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinians take part in a protest against aid cuts, outside the United Nations' offices in Khan Younis in the southern Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian woman sits outside the United Nations' offices during a protest against aid cuts, in Khan Younis in the southern Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian children hold bread during a protest against aid cuts, outside the United Nations' offices in Khan Younis in the southern Gaza Strip January 28, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian reacts during clashes with Israeli troops, as Palestinians call for 'a day of rage' against U.S. President Donald Trump's decision over Jerusalem, near the border with Israel in the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian moves a burning tire during clashes with Israeli troops, as Palestinians call for 'a day of rage' against U.S. President Donald Trump's decision over Jerusalem, near the border with Israel in the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian hurls stones during clashes with Israeli troops, as Palestinians call for 'a day of rage' against U.S. President Donald Trump's decision over Jerusalem, near the border with Israel in the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian carries stones for demonstrators during clashes with Israeli troops, as Palestinians call for 'a day of rage' against U.S. President Donald Trump's decision over Jerusalem, near the border with Israel in the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian demonstrator holds a fire during clashes with Israeli troops, as Palestinians call for 'a day of rage' against U.S. President Donald Trump's decision over Jerusalem, near the border with Israel in the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian demonstrators take cover during clashes with Israeli troops, as Palestinians call for 'a day of rage' against U.S. President Donald Trump's decision over Jerusalem, near the border with Israel in the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian demonstrator removes Israeli fence during clashes, as Palestinians call for 'a day of rage' against U.S. President Donald Trump's decision over Jerusalem, near the border with Israel in the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

A demonstrator holds a Palestinian flag during clashes with Israeli troops, as Palestinians call for 'a day of rage' against U.S. President Donald Trump's decision over Jerusalem, near the border with Israel in the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian demonstrators react during clashes with Israeli troops, as Palestinians call for 'a day of rage' against U.S. President Donald Trump's decision over Jerusalem, near the border with Israel in the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

A boy watches as Palestinian Hamas supporters take part in a rally against U.S. President Donald Trump's decision to recognize Jerusalem as the capital of Israel, in Khan Younis, southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian Hamas supporters take part in a rally against U.S. President Donald Trump's decision to recognize Jerusalem as the capital of Israel, in Khan Younis the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian Hamas supporters take part in a rally against U.S. President Donald Trump's decision to recognize Jerusalem as the capital of Israel, in Khan Younis the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian children wearing Hamas headbands take part in a rally against U.S. President Donald Trump's decision to recognize Jerusalem as the capital of Israel, in Khan Younis the southern Gaza Strip January 26, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian demonstrator stands by a fence during a protest calling on Egypt to open Rafah border crossing, in Rafah in the southern Gaza Strip January 24, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinians pass by a closed bank during a commercial strike in protest against the economic situation, in Rafah in the southern Gaza Strip January 22, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian woman walks past closed shops during a commercial strike in protest against the economic situation, in Khan Younis in the southern Gaza Strip January 22, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian women sit outside the United Nations Relief and Works Agency (UNRWA) office during a protest in Rafah in the southern Gaza Strip January 21, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinians take part in a protest against aid cut, outside the United Nations Relief and Works Agency (UNRWA) office, in Rafah in the southern Gaza Strip January 21, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinians take part in a protest against aid cut, outside the United Nations Relief and Works Agency (UNRWA) office, in Rafah in the southern Gaza Strip January 21, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinians take part in a protest against aid cut, outside the United Nations Relief and Works Agency (UNRWA) office, in Rafah in the southern Gaza Strip January 21, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian woman sits outside the United Nations Relief and Works Agency (UNRWA) office during a protest in Rafah in the southern Gaza Strip January 21, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinians take part in a protest against aid cut, outside the United Nations Relief and Works Agency (UNRWA) office, in Rafah in the southern Gaza Strip January 21, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian demonstrator stands next to burning tires during clashes with Israeli troops, near the border with Israel in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa

A demonstrator holds a Palestinian flag during clashes with Israeli troops, near the border with Israel in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

A Palestinian demonstrator burns a tire during clashes with Israeli troops, near the border with Israel in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa

Demonstrators hold Palestinian flags during clashes with Israeli troops, near the border with Israel in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian demonstrator carries a tire as he rides a bicycle on his way to the clashes scene with Israeli troops, near the border with Israel in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa

A demonstrator holds a Palestinian flag during clashes with Israeli troops, near the border with Israel in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian woman feeds her daughter as they sit by a fire on a rainy day in Khan Younis in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian woman holds a baby inside a tent on a rainy day in Rafah in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian man, wrapped in a blanket, looks on as he stands outside his house on a rainy day in Khan Younis in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa

A Palestinian man carries a metal panel on a rainy day in Khan Younis in the southern Gaza Strip January 19, 2018. REUTERS/Ibraheem Abu Mustafa

Palestinian Islamic Jihad member Tarek al-Mudalal is greeted by a relative after his release from an Israeli jail, in Rafah in the southern Gaza Strip January 18, 2018. REUTERS/Ibraheem Abu Mustafa