ABC News
Major world powers including the United States and Russia have called for airdrops of food, medicine and water to start in two weeks if access to besieged areas continues to be denied by either side.
The town of Daraya, on the outskirts of Damascus, is in desperate need of aid. Up to 8,000 civilians are stuck there, living under siege from government forces since 2012.
Ahmad Mujahid, 24, and his family have been living in their basement for over three years. He says it's the only way to stay alive in Daraya.
"On Saturday regime forces raided the city. There was over 60 shellings," Mr Muhajid tells the ABC over a scratchy Skype line.
The Syrian army surrounds the town and there is no easy way in or out.
Until recently, tunnels were used to smuggle food but they were destroyed in February.
Now, there's hardly anything to eat and Mr Muhajid says people are on the verge of starvation.
"Our main course here is soup. Soup that contains 90 per cent water, 5 per cent weeds and 5 per cent rice, lentils or oats," he said.
"We noticed armoured vehicles moving around the city. We are very afraid of an invasion."
In April, UN staff visited Daraya for the first time in three years. They described it as one of the worst places in Syria, noting that between 80 to 90 per cent of the town was severely damaged after years of fighting between opposition forces and government troops.
Last Thursday after months of negotiations, the UN and International Red Cross convoy were due to make a long-awaited aid delivery to the town.
They had requested to deliver food to the desperate people of Daraya, but the Syrian regime refused to give permission to bring food supplies to the town.
After two weeks of negotiations, the agencies decided it would be better to bring medicine, vaccines and baby milk to the town than nothing at all.
Mr Muhajid and his friends ventured out of their houses and went to wait in the destroyed streets, excited that aid was finally going to arrive.
But it never came!
"They told us the convoy will arrive at 11:00am. But the convoy never made it in at all. People were waiting from the morning til the night. The convoy was stopped at the last checkpoint of the regime," Mr Muhajid says sadly.
On Tuesday in Vienna, the US and Russia called for airdrops of food, medicine and water to start on June 1 if access to besieged areas continues to be denied by either side.
Pawel Krzysiek, spokesperson for the International Committee of the Red Cross in Damascus, was in the convoy last week that was turned back outside Daraya.
"We will keep trying and we will not stop until we are able to access Daraya," he tells the ABC.
Mr Krzysiek says airdrops are extremely difficult and not the preferred option to deliver supplies.
He called for aid convoys to be given immediate access.
"Independent, unimpeded humanitarian access. This is all that we ask for. Not for the politics of the Syrian negotiations. We just ask for the people who live in those places and who continue to suffer and who will suffer until the solution is found," he said.
Inside Daraya, Mr Muhajid cautiously welcomes the news but he says he won't celebrate until he sees the aid with his own eyes.
"Unfortunately we only hear talks and promises," he says.
"My message to all people who are listening, we are people just like you, we have the right to live, we are not ISIS, we are not Al Qaeda — we are normal people who want to live a normal life."