At least 15 civilians mostly children and women were killed in Saudi-led airstrikes against populated areas in Yemen's Hajjah province, the Saba news agency reported on Thursday.
The Saudi-led coalition also carried out more airstrikes in other provinces killing and injuring civilians and destroying properties, it added, without giving statistics.
The coalition has been bombing Yemen since March.
On the other hand, the agency said the battles in the provinces of Taiz and Jawf continued Thursday with Houthi forces retaking positions from the pro-government forces backed by the coalition.
Moreover, the Houthi forces escalated rocket attacks and incursions on the border between Yemen and Saudi Arabia killing Saudi troops and taking over posts of Saudi army, it said.
Separately, chief of the 4th military command Ahmed Saif Al-Yafi'e survived an assassination plot in the province of Abyan early Thursday, local security officials said.
Gunmen threw a grande at the convoy of Al-Yafi'e killing one of his bodyguards and injuring three others, they said.
On Wednesday, gunmen assassinated leader of the pro-government popular resistance Ahmed Al-Edrisi and three of his guards, the latest in a series of targeted killings since Aden was retaken from the Houthi militants in mid the year.
Aden has been facing security challenges including increasing targeted killings and presence of militant groups that are roaming key parts raising concerns over of the future of the temporary capital.
Today, Aden University suspended study indefinitely after gunmen had stormed its compound and threatened the staff.
Locals said the the gunmen, some masked, stormed the university's campus repeatedly lately, harassed professors and threatened to close the university.
They appeared to be from Al-Qaeda as they were taking abut problems with coeducation, one of the sources revealed.