President Asif Ali Zardari will address parliament for the first time this weekend, officials said, amid mounting concerns over direct US strikes in its tribal areas. Zardari, who was sworn into office on September 9 and succeeds Pervez Musharraf, has summoned both houses of parliament to meet at 3:00pm (0900 GMT) Saturday for his address, a government statement said. The widower of slain ex-premier Benazir Bhutto and co-chairman of her Pakistan People's Party, Zardari sailed into presidency smoothly despite a controversial past. Musharraf resigned on August 19 after the coalition government threatened to impeach him over constitutional violations including his failure to address the parliament annually. Musharraf addressed the parliament only once during his eight-year rule, when opposition politicians booed and chanted hostile slogans. Officials did not reveal what Zardari planned to say in his address.