By Aziz El Yaakoubi RIYADH (Reuters) -Yemen’s Houthi group said on Saturday it was suspending missile and drone strikes on Saudi Arabia for three days, in a peace initiative it said could be a lasting commitment if the Saudi-led coalition fighting in Yemen stopped air strikes and lifted port restrictions. The group also announced a three-day suspension of ground offensive operations in Yemen, including in the gas-producing region of Marib, said Mahdi al-Mashat, the head of the Houthis’ political office, in a speech broadcast on television. “This is a sincere invitation and practical steps to r…