By way of agreements, cultural institutions and direct military intervention, Russia is attempting to establish a foothold in the Arab world.
The battle to oust the group from the southern Yemen province is not over yet, officials say, following an upsurge in acts of violence.
Russia and the Syrian regime are spreading false rumours that the Syria Civil Defence and some opposition factions are planning to stage chemical attacks in Idlib province, activists say.
A foundation operated by Lebanon's Hizbullah with direct funding from Iran has been attempting to further Iranian interests in Syria.
The latest military and defence co-operation agreement allows for continued Iranian 'presence and participation' in Syria.
The flare-up is a continuation of clashes that began last month over the control of land and river crossings and the revenue they generate.
The militia's intervention in the Yemeni conflict aims to derail the peace negotiations, the Yemeni government said in a complaint filed to the UN Security Council.
Yemeni forces are advancing towards al-Durayhimi district, while Saudi Arabia announced it was resuming oil shipments through the Bab al-Mandab Strait.
The committee will ensure peace proposals are in line with Security Council Resolution 2216, the Gulf Initiative and the National Dialogue.
In liberated parts of al-Hodeida province, residents have been conducting a campaign to remove the Houthis' graffiti, slogans and posters.