Twenty children have been killed in Yemen since the UK government resumed arms sales to Saudi Arabia just over one month ago.
The UK government says "new processes" have been established to prevent unlawful arms sales to Saudi Arabia after it emerged a court ruling had been violated several times.
Executives of a US arms firm which makes smart bombs in Fife could face investigation for potentially aiding and abetting alleged war crimes in Yemen by a military coalition led by Saudi Arabia.
Arms firms in Scotland given taxpayers' money are profiting from border security contracts in Europe designed to keep out asylum seekers.
The Scottish Government has handed nearly £15 million to arms firms with factories in Scotland who sell weaponry to Turkey.
An Ayrshire firm making explosives told Scottish Enterprise that munitions were a "key growth area" when applying for taxpayers' money.
Arms firms in Scotland are failing to make human rights checks which could prevent their products from being used in potential war crimes.
The UK government has been condemned for arming states named in a UN report revealing that 12,000 children were killed or maimed last year in armed conflicts.
Bombs and missiles will still be exported to Saudi Arabia under a secretive licensing system despite a court ruling that UK arms sales are illegal.