Germany said Monday it would call for fresh "pressure" on Iran to comply with international commitments on its nuclear program if a key report this week reveals further defiance.

A foreign ministry spokesman said ahead of the report from the U.N. atomic watchdog, which diplomats say contains fresh evidence of an Iranian nuclear weapons drive, that Berlin remained suspicious of Tehran's plans.

Italian Prime Minister Silvio Berlusconi on Monday denied rumors he was on the verge of resigning, as Italy's bond market came under heavy pressure, the national news agency ANSA reported.

"Rumors of my resignation are baseless and I do not understand how they started circulating," Berlusconi was quoted as telling his aides.

Notorious Venezuelan militant cell leader Carlos the Jackal went on trial on Monday in Paris accused of carrying out four deadly bombings in France that killed 11 people and wounded almost 150.

The 62-year-old has made no secret of his past as the leader of a gang that carried out attacks on behalf of Warsaw Pact intelligence agencies and far-left or pro-Palestinian causes, but denies the latest French charges.

Nigeria was on high alert Monday after the United States warned of fresh attacks following a wave of deadly blasts claimed by Islamists killed 150 people in the northeast of the country.

Friday's attacks in the city of Damaturu were among the deadliest ever carried out by Boko Haram, an Islamist sect based in the north of Africa's most populous country.

Russia warned on Monday that a possible military strike against Iran would be a "very serious mistake" that leads to further conflict and civilian casualties.

"It would be a very serious mistake fraught with unpredictable consequences," Russian Foreign Minister Sergei Lavrov said after a warning by Israeli President Shimon Peres that an attack was increasingly likely.

Pakistan on Sunday angrily rejected a report that it had been moving its nuclear weapons in unsafe conditions, saying nobody should underestimate its capability to defend itself.

Two U.S. magazines reported Friday that Pakistan has begun moving its nuclear weapons in low-security vans on congested roads to hide them from U.S. spy agencies, making the weapons more vulnerable to theft by Islamist militants.

A roadside bomb ripped through a police vehicle in southern Afghanistan, killing a district police chief and two of his bodyguards, police said Monday.

The blast happened late Sunday as the group drove from Lashkar Gah, the capital of troubled Helmand province, to Garmser district.

A former town mayor, his son and bodyguard were killed and eight other people wounded on Monday when a suicide bomber blew himself up in Pakistan's northwest, police said.

The bomber targeted Hanif Khan Jadoon in Swabi, 90 kilometers east of Peshawar, as he was sitting in his car after offering his Eid prayer.

At least 13 people were killed and two dozen injured when a bus collided with a lorry and burst into flames in southern Vietnam on Monday, reports said.

The crash happened when the truck, which was travelling towards Ho Chi Minh City, and the passenger bus heading in the opposite direction in Binh Thuan province hit, an online report from Thanh Nien newspaper said.

One U.N. peacekeeper was killed and two others injured Sunday in an attack on a patrol in the southern part of Sudan's war-ravaged Darfur region, the United Nations said in a statement.

U.N. Secretary General Ban Ki-moon condemned the attack on the patrol near Nyala and said he expects the government in Khartoum to "swiftly bring those responsible for this reprehensible act to justice," his spokesperson said.