Pro-regime television channel Al-Ikhbariya will air an interview with Syria's President Bashar Assad on Wednesday, the broadcaster said.

"Syria's Al-Ikhbariya has conducted an exclusive interview with President Bashar Assad... and it will be broadcast on Wednesday... at 9:30 pm (1830 GMT)," the channel said on its Facebook page.

The head of an extremist Jordanian Muslim Salafist group said early Tuesday that he was "happy to see the horror in America" after the explosions in Boston.

"American blood isn't more precious than Muslim blood," said Mohammad al-Chalabi, who was convicted in an al-Qaida-linked plot to attack U.S. and other Western diplomatic missions in Jordan in 2003.

Leaders of five U.N. agencies on Monday appealed to the international community to stop the "cruelty and carnage" in Syria, warning they may soon be forced to suspend humanitarian aid to the war-torn country.

"Needs are growing while our capacity to do more is diminishing, due to security and other practical limitations within Syria as well as funding constraints. We are precariously close, perhaps within weeks, to suspending some humanitarian support," the U.N. agency leaders warned.

A 38-year-old Frenchman well-known in radical Islamist circles in Belgium was killed Sunday while fighting for an Islamist brigade in Syria, Belgian media said.

Raphael Gendron left for Syria several months ago to fight with the 'Falcons of Sham' headed by Abdelrahman Ayachi who was wounded Sunday and who is the son of Syrian-born radical Imam Bassam Ayachi, the SudPresse newspaper group said in a report on its website.

A Jordanian military tribunal on Monday opened the trial of four Syrians arrested in September as they tried to cross into the kingdom heavily armed, a court official said.

"The armed forces arrested the four Syrians in a border village last year in September as they tried to cross into Jordan," the official told Agence France Presse.

Syria's air force launched several air strikes on rebel enclaves in and around Damascus, while fresh clashes between troops and rebels raged to the east of the capital, a monitoring group said on Monday.

"At least one civilian was killed in an air strike on Qaboon" in northeastern Damascus, the Syrian Observatory for Human Rights said, "while regime troops pounded the district of Jubar" in the east.

A specially equipped German military aircraft will head to Jordan on Monday to pick up 36 Syrians who were seriously wounded in the conflict in their country and fly them to Germany for treatment, the foreign ministry said.

The wounded Syrians will receive care at four army hospitals including facilities in Berlin and Hamburg, a ministry spokesman said.

Israeli Prime Minister Benjamin Netanyahu said on Monday Israel would not give in to "subhuman terrorists," as the Jewish state honored its slain soldiers and civilians killed in militant attacks.

Netanyahu, at a ceremony at the Mount Herzl national cemetery, pointed to the case of Israeli toddler Adele Biton, still in critical condition after being hurt in a stone-throwing attack on her mother's car in the West Bank a month ago.

Iraq inspected an Iranian cargo plane bound for Syria on Monday, a day after it searched a Syrian aircraft flying from Moscow to Damascus, the head of Iraq's civil aviation authority said.

No prohibited items were found on either flight, Nasser Bandar told Agence France Presse.

The Israeli military has closed probes into more that 60 allegations of misconduct during its November Gaza campaign, including a strike that killed 12, among them five women and five children.

In a report sent to Agence France Presse, the army said its Military Advocate General had "reviewed the factual findings, as far as they existed, with respect to approximately 65 incidents, and did not find a basis for opening a criminal investigation in those cases."