Horrifying footage has emerged which shows Palestinians being executed by Hamas, sparking fears that the Gaza peace deal is already at risk of collapsing as the terror group tries to cling to power. 

In disturbing footage circulating on social media, a group of men can be seen kneeling on the ground with their hands behind their backs. 

Armed militants - some wearing Hamas-style headbands - stand behind the victims with their faces covered before gunshots ring out and the seven kneeling men fall to the ground, apparently lifeless. 

Cheering crowds scream 'Allah Akbar,' or 'God is great', and brand the executed men 'collaborators' while filming the scenes on their phones. A Hamas source confirmed the authenticity of the video. 

Hamas has already recalled around 7,000 members of its security forces to reassert control over areas of Gaza recently vacated by Israeli troops. 

US President Donald Trump suggested yesterday Hamas had been given a greenlight for internal security operations, saying militants wants 'to stop the problems' and 'we gave them approval for a period of time'. 

The execution video has sparked concern among observers, coming just days after a Trump-brokered peace deal came into effect.

Analysts are also concerned that Trump's peace deal could be put at risk by the failure of Hamas to return the bodies of all 28 Israeli hostages that died in captivity. So far, they have only released four.

Last month, Hamas-led authorities admitted that they had executed three men accused of collaborating with Israel. 

The video was shared along with the caption: 'Hamas takes advantage of the truce with Israel and eliminates internal opponents, does anyone believe in this peace?'

In the past, Hamas has been accused of carrying out public executions on the streets of Gaza. Several human rights groups and world leaders have condemned the form of punishment. 

Gaza residents said fighters were increasingly visible on Tuesday, deploying along routes needed for aid deliveries. 

Palestinian security sources say dozens of people have been killed in clashes between Hamas fighters and rivals in recent days. 

Israeli Prime Minister Benjamin Netanyahu has consistently maintained that the war cannot end until Hamas gives up its weapons and ceases to control Gaza, a demand that the fighters have rejected, torpedoing all previous peace efforts.