UN human rights investigators on Tuesday said they needed "full and unfettered" access to Myanmar to investigate a grave and ongoing crisis, but the government renewed its rejection of the probe.

Communal violence has torn through Rakhine state since August 25, leaving hundreds dead and driving more than 410,000 of the Rohingya minority from Myanmar into Bangladesh.

Suu Kyi's refusal so far to defend the Rohingya over nearly a month of violence has baffled and enraged an international community that once feted her as the champion of Myanmar's democracy struggle.

Wild elephants trampled two elderly Rohingya refugees to death Monday as they slept underneath a plastic sheet near a forest in Bangladesh, police said.

Arjan Singh, the only officer ever to be named Marshal of the Indian Air Force owing to his achievements, died after suffering a cardiac arrest at the age of 98 at an army hospital in Delhi on Saturday.

Iran will not give in to US "bullying" as Washington attempts to undermine Tehran's nuclear deal with world powers, the Islamic republic's supreme leader Ayatollah Ali Khamenei said Sunday.

North Korea's diplomatic presence in the emirate will also be reduced to a charge d'affaires and three diplomats, the source told AFP, requesting anonymity.

"The blast happened at around noon in a market where people go to download music and videos to their mobile phones," Khost provincial police chief Faizullah Khairat told AFP.

The recent deaths of two teenagers have fuelled rising opposition to the campaign, with the influential Catholic Church and leftist activists among the most prominent critics.

The nationally-televised turn will break a near silence since the ulcerous ethnic and religious hatreds in western Rakhine state erupted into killings on August 25, sending 400,000 Muslim minority Rohingya fleeing into Bangladesh.

More than 400,000 Rohingya Muslims have now arrived in Bangladesh from their Buddhist dominated homeland to escape violence that the United Nations says could be ethnic cleansing.

The UN Security Council will on Thursday hold a ministerial-level meeting on the threat from the proliferation of weapons of mass destruction that will focus on enforcing sanctions on North Korea, diplomats said.