The report was released on Thursday accusing the East African country of helping to fuel the five-year conflict.

European Union imposed an arms embargo on the war-torn country in 2011 after its independence from Sudan.

The report reveals how the South Sudanese government planned with Uganda to arrange agreements needed by weapons manufacturers in Romania, Bulgaria and Slovakia.

The 101-page report claims that the European-procured weapons were 're-transferred' to South Sudan.

The re-transfers may have breached 'end-use or non-transfer commitments' made to exporters.

A wide range of weapons

CAR's field teams in South Sudan physically document hundreds of weapons 'ranging from assault rifles, and anti-tank guided weapons to man-portable air defence systems (MANPADS) and main battle tanks'.

Over 200,000 rounds of ammunition and other military material used in the conflict were documented.

South Sudan military ‘did what was required’

South Sudan's military spokesperson told The Defense Post that the government of the war-torn country had no choice but to protect itself form SPLA-IO.

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“We did what was required of us to restock, resupply and defend the territorial integrity and to defend the democratic government from being toppled using illegal means.”

The Ugandan government hasn't responded to the claims made in the report.

Millions of South Sudanese have been displaced and hundreds of thousands killed since the beginning of the civil war in 2013.