Clashes between government forces and Huthi rebels in northern Yemen have killed dozens in the 24 hours since a ceasefire between the two sides collapsed, tribal and military sources said Monday.

Clashes between government forces and Huthi rebels in northern Yemen have killed dozens in the 24 hours since a ceasefire between the two sides collapsed, tribal and military sources said Monday.

The fighting that started on Sunday continued intermittently on Monday in the area around Jabal al-Dhine, a mountainous region some 50 kilometers (31 miles) north of the capital Sanaa, the sources said.