Frontline voices from Yemen conflict
The complex conflict in Yemen shows no sign of abating, with the World Health Organisation now saying that more than 540 people have been killed.
Here BBC News speaks to residents of two of the country's biggest and worst-affected cities, Aden and the capital Sanaa.
Nisma Alozebi, student in Aden
"Everyday life has become harder and harder. This is not a war, it's a sacrifice.
Water, food and medicines are harder to come by. Aid has arrived at some hospitals, but it is not enough.
More and more people are getting injured and killed in the attacks from Houthis and there is daily bombardment from the coalition air strikes.
Some doctors and nurses are even afraid to go out as they fear for their safety.
I am a trainee civil engineer but college has stopped because of the violence. So yesterday I had training as a volunteer nurse at one of the local hospitals.
It is dangerous to go there, but my district is not under the control of Houthis, so I will try to go there to volunteer.
My family and I used to live near the airport, but we had to move as it became too dangerous. We have lost our house.
The Houthis are attacking houses and they have heavy weapons. The air strikes are also not doing as well as they're supposed to.
We have supplies, but it is hard to get more as shelves are empty and most stores are closed.
People are afraid for their belongings and their safety. It's insanity."
Awsan Abdulrahman, evacuated from Aden to Djibouti
"I live in the central Aden district of Khormaksar, which became so dangerous that I had to leave and go to the harbour and try to get out.
Every day the situation became worse and worse. You were waiting for your house to be bombed or attacked - by the air strikes or the Houthis, who are getting stronger and stronger, with heavier equipment.
It is a terrifying situation there right now.
I was trying to be calm but there was shooting and bombing everywhere. Everyone waiting at the harbour was afraid and had to duck down. It was such a terrifying experience.
I'm now in Djibouti, staying at a hotel and am waiting to get to Germany via Cairo.
The situation I have left behind in Yemen is very bad. Some of my family and most of my friends are still there."
Hisham Alomeisy in Sanaa
"It's a very ugly and hopeless situation here.
Today has been calm, unlike other days when there was heavy bombardment, so I went out to try and get some petrol and food for my family.
But the shelves in the shops are empty and most of the petrol stations are shut. There are huge queues at the petrol stations that are open.
We are in a humanitarian crisis here. People need food. There is very little electricity.
I still have some food supplies for my family but they are running out.
The ICRC flights seem largely symbolic. As soon as they leave again the bombardment will resume.
The coalition need to open up the airports and ports and allow in food and supplies."
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