Beijing, Jan. 16 : The People''s Liberation Army (PLA) will not engage in any arms race and its development does not pose a threat to any country, a senior military official has said.

The China Daily quoted Huang Xueping, deputy director-general of the Information Office of the Ministry of National Defense, as saying in an interview China was not building up its military power, or changing its defensive policy, or aiming to expand its military presence worldwide.

Washington, Jan 16 : Pakistan has admitted that US drone attacks on its tribal areas bordering Afghanistan have become more accurate in past few months, leading to the death of eight ai Qaeda militants and decline in civilian casualties.

Among those killed was the mastermind of a 2006 plot to detonate liquid explosives aboard planes flying across the Atlantic, and the man thought to have planned the Septembr 20 bombing of the Marriott hotel in Islamabad, that killed 53 people, including two members of the US military.

"The strikes have become increasingly accurate," The Washington Times quoted a senior Pakistani official, as saying on the condition of anonymity because of the sensitive nature of the subject.

Washington, January 16 : A team of Duke University engineers has produced a new type of cloaking device, which is significantly more sophisticated than a prototype they unveiled in 2006 at cloaking in a broad range of frequencies.

The researchers attribute this breakthrough to the development of a new series of complex mathematical commands, known as algorithms, which helped them guide the design and fabrication of exotic composite materials known as metamaterials.

San Salvador, El Salvador - El Salvador on Sunday is likely to move one further step towards another leftist government in Central America, as the country's 4.2 million voters elect 262 city mayors and 84 seats in the national parliament.

Sunday's vote is widely regarded a test for the presidential elections scheduled for March 15. Currently, Guatemala and Nicaragua are ruled by left-leaning governments.

According to opinion polls, the elections are mainly a contest between two major political forces, while the remaining parties enjoy only minimal voter support.

Sydney, Jan. 16: Former Australian fast bowler Glenn McGrath believes that pocket rocket David Warner can eventually replace Matthew Hayden - but needs to be fast-tracked into the New South Wales Sheffield Shield level first.

The pace great endorsed Warner''s Australia limited overs selection but says the cavalier opener should cut his teeth with New South Wales in the Sheffield Shield before being seriously considered as a candidate for the forthcoming Test tour of South Africa.