martin yip. he was saying that it is unclear what is going to happen next.keep right across it. we will be a any new developments. stay with us on bbc news, still to come: we hear from the 15—year—old who wowed wimbledon — eclipsing five—time champion venus williams in the first round. china marked its first day of rule in hong kong with a series of spectacular celebrations. a huge firework display was held in the former colony. the chinese president, jiang zemin, said unification was the start of a new era for hong kong. the world's first clone has been produced of an adult mammal. scientists in scotland have produced a sheep called dolly that was cloned in a laboratory using a cell of another sheep. for the first time in 20 years, russian and american spacecraft have docked in orbit at the start of a new era of cooperation in space. challenger powered past the bishop rock lighthouse at almost 50 knots, shattering a record that had stood for 34 years. and there was no hiding the sheer elation of richard branson and his crew. you're watching the briefing. ou

let's talk to our correspondents there, martin yip, and celia hatton is in beijing. to investigate the very shocking attack on civilians that we saw last night. indeed, she has made such a promise, carrie, and that is in the face of another room behind this attack, that somebody even blamed the government for colluding with the attackers, which carrie lam as well as the police commissioner categorically denied such allegations. they promised to investigate the whole event, but the press c0 nfe re nce investigate the whole event, but the press conference went on in quite a chaotic way, a journalist trying to grill these two key figures in the government on how they think they are still capable to protect the citizens and their property as far as holding stability in the city. so carrie lam definitely under quite severe pressure to show to the people that she can still rule after this business last night. and i suppose, martin, because of the shocking images we have seen on video, one aspect of yesterday's protest had not received attention on the outside world which it