Rajab, founder of the Bahrain Centre for Human Rights, is appealing after being convicted in January of publicly insulting two state institutions.
Sending troops in the future remains a possibility, he said.
A senior U.S. military official said the US was helping Saudi keep an eye on Houthi forces and monitor the Saudi border with Yemen.
The light weapons, telecommunications equipment and rocket-propelled grenades were dropped over Tawahi.
The tentative agreement is contingent on reaching an agreement by June 30.
Corporal Salman Ali Yahya al-Maliki was killed in the border province of Asir.
The Iran-allied Houthi militia has weathered seven days of Saudi-led air strikes and continued to advance on several fronts, with support from army units loyal to Saleh.
Obama directed the release of 12 Lockheed Martin F-16 aircraft, 20 Boeing Harpoon missiles, and up to 125 M1A1 Abrams tank kits to Egypt.
Six days of air strikes have targeted Houthi-held military hardware but have so far failed to eject the militia from cities it holds.
A local rights organisation said 29 civilians were killed in one strike near the airport on the first day of the offensive.
Iran’s deputy foreign minister Hossein Amir Abdollahian said that Tehran has a proposal to end the conflict in Yemen.
A Saudi-led coalition has bombed Iran-allied Houthi fighters and army units fighting against President Abd-Rabbu Mansour Hadi.
Saudi Arabia, along with a coalition of Gulf states, is conducting airstrikes against Houthi rebels in Yemen.
The United Nations has appealed for $8.4 billion for Syria this year to help deal with the ballooning humanitarian crisis.
The strike are aimed at stopping the Houthis from taking more territory and pressing them to negotiate a power-sharing deal with President Abd-Rabbu Mansour Hadi.
Yemen’s state news agency Saba, which is under the control of the Houthis, said the camp at Haradh was hit by Saudi planes.
The conditions for the talks would include returning weapons to state authorities and not threatening the security of Yemen’s neighbours.
Pakistan, an ally of Saudi Arabia, has yet to commit itself publicly to military support to Riyadh’s campaign in Yemen.
Saudi and nine other Sunni Muslim countries commenced air strikes against the Shi’ite Houthi militia on March 26.
An official said that strikes had succeeded in stopping the Houthi advance on Aden and in putting pressure on the group across the country.
The Brotherhood’s General Guide Mohamed Badie and Khairat El-Shater were listed alongside other members of the group’s leadership, state news agency said.
In separate comments, Saudi Arabia said it was committed to completing its air campaign aimed at dislodging Iranian-backed Houthis rebels.
Saudi Foreign Minister Prince Saud al-Faisal has accused Russian President Vladimir Putin of hypocrisy.
The victims were in the provinces of Sanaa, Saada and Hodeidah, an official in the Houthi-controlled health ministry said.
The draft resolution identified the military force as voluntary, meaning no state would be required to take part.
Ahmed Ali Saleh, son of former president Ali Abdullah Saleh, was Yemen’s ambassador to the United Arab Emirates.
The director general of Yemen’s Health Ministry said more than 68 people had been killed and 452 wounded in the city since Wednesday.
In his remarks, Badawi recalled how he received the first round of lashes while surrounded by a cheering crowd that chanted “Allahu akbar” (God is greatest).
Success would establish Riyadh as de facto leader of the region’s Sunni states it has pulled together in a complex armed operation.
Saudi Arabia withdrew its envoy earlier this month over Swedish criticism of the monarchy’s treatment of women and dissidents.