More than 100,000 Yemeni troops could be mobilized in the offensive, depending on the scale, officials said. The operation, expected to be launched in the coming weeks, will be led by Yemeni forces on the ground Key points and original sources are listed below.

• More than 100,000 Yemeni troops could be mobilized in the offensive, depending on the scale, officials said.S1

• The operation, expected to be launched in the coming weeks, will be led by Yemeni forces on the groundS2