He also announced that humanitarian shipment permits were being granted regularly, and that humanitarian aid has been flowing continuously into all parts of Yemen.
The war has killed more than 10,000 people, displaced three million and unleashed the world's most urgent humanitarian crisis in the impoverished Arab state which is struggling with a starvation and cholera epidemic, according to the United Nations.
Al-Maliki said residents have welcomed the advancing government forces through such gestures like removing sectarian graffiti from walls of liberated towns and cities in Saada as well as the port of Hodeidah.
Debris from the missile landed in residential areas of Jazan without causing casualties, the coalition said in a statement released by the official Saudi Press Agency.
Clashes between the military and Houthi rebel forces intensified last week, as troops led by the UAE advanced to 10 km (6 miles) from the city, Reuters reported.
The United Nations fears that a battle in Hodeidah could be devastating for the estimated 600,000 people still living in the city.
The following year, UN-sponsored peace talks held in Kuwait failed to produce any tangible breakthroughs.
An alarming 22.2 million people in Yemen - the Arab world's poorest country - need some kind of humanitarian or protection assistance, according to the United Nations Office for the Coordination of Humanitarian Affairs (OCHA). Though the U.S. government has rhetorically opposed an offensive, the administration appears to be washing its hands of the UAE's actions and will do nothing to intervene.
"The important thing is that (Hodeidah) is kept open and it is kept functioning because it is the major route in for these commercial supplies".
Yemen relies on imports for 90 percent of its food and 70 percent of those transit through Hodeidah, Lowcock said.
"I have spoken with Emirati leaders and made clear our desire to address their security concerns while preserving the free flow of humanitarian aid and life-saving commercial imports", Pompeo said.
The rebels control much of northern Yemen, including the capital, Sanaa.
"This offensive represents a huge escalation in the conflict. a lot of it depends on how Hodeidah falls".