About 200 pesh merga fighters could cross the border to aid the town of Kobane within days.
Following Wednesday’s shooting in Ottawa, the prime minister says, ‘We will be prudent, but we will not panic.’
The Treasury Department is trying to crack down on sales to middlemen and even the Syrian government.
The plan, described as methodical and time-consuming, will not begin in earnest for several months.
Turkey said it would allow Iraqi Kurds passage to Syria, and the U.S. dropped weapons and aid to Kobane, where Kurdish fighters have been battling the Islamic State.
The Syrian town along the Turkish border has become, for now, the epicenter of the fight.
Sixty countries are participating to some degree, and the question now is whether they will be able to agree.
Saudi officials were investigating the shooting as a workplace dispute and not terrorism.
The country will also allow its territory to be used as part of training efforts for Syrian opposition fighters.
The world must “do something” to prevent a possible massacre of thousands in the Syrian town by the Islamic State, he said.