英国新闻听力 切尔诺贝利核事故30周年（在线收听）

Ukraine is holding ceremonies to mark the 30th anniversary of Chernobyl, the world's worst nuclear accident. Siren sounded at the exact moment of the first explosion in the plant's reactor in April 1986, from Ukraine, Tom Burridge. Candles were lit and prayers were set in the early hours of this morning. At the moment 30 years ago, that there was an explosion inside reactor 4 at the Chernobyl Nuclear plant. Roughly 3% of the reactor's radioactive content escaped. Later Ukraine's president will attend another ceremony in Chernobyl to mark the disaster which contributed to the downfall of the Soviet Union and had a huge impact on public opinion and government policy towards nuclear energy.

The influentially Iraqi cleric Muqtada al-Sadr has called for a big protest today in Baghdad over the simmering political crisis. They take place as parliament makes a fresh attempt to vote on a new cabinet after three weeks of stalemate. Ahmed Maher is in Baghdad. It is the worst political crisis since the downfall of former dictator Saddam Hussein in 2003. For the past three weeks, parliament has refused to approve a new line-up of non-partisan ministers proposed by the embattled Prime Minister Haider al-Abadi. More than 100 MPs have been staging a sit-in in parliament since mid-April to express their frustration at other representatives who blocked the vote, the even vote to sack the speaker of parliament.

The Canadian Prime Minister Justin Trudeau has expressed outrage of the killing of John Ridsdel, a Canadian hostage kidnapped by Islamist militants in the Philippine six months ago. Earlier in the day, the former mining executive severed head was found in the street on a remote island. The Islamist militant group Abu Sayyaf had demanded a large ransom for his release. Chrisaudi Arbes, a journalist who specializes in the threat posed by extremist group in the region of Mindanao, says the killing is part of a change of strategy for the militants. They've become really bolder. This is the second time they've killed a foreigner. That wasn't the case before. It wasn't like that in the past. So this one is like a message from them saying we're going to do what we want to do because we know we can get the money and this is our way to fight against the military.

A study in Britain suggests that flu vaccines are more effective when they're given in the morning rather than the afternoon. Researchers found that antibody response was stronger in those vaccinated before 11:00 AM. They say that immunizing people in tune with the body's natural rhythm could also help improve vaccination strategies more generally and save lives. The study was based on people over the age of 65. World news from the BBC.

Thousands of demonstrators have been bust into the state capital of North Carolina in the US to either support or oppose a new state law that imposes restrictions on transgender people. The law demands that people use toilets in public buildings and schools that match the sex on their birth certificate rather than their gender identity. Both President Obama and the Republican presidential contender Donald Trump say the law is discriminatory.

The Venezuelan Supreme Court has rejected a constitutional reform proposed by opposition politicians who wanted to reduce President Nicolas Maduro's term in office from six to four years. Leonardo Rocha has more details. Since the Venezuelan opposition regained control of parliament in December's election, it has made different attempts to oust President Maduro. It first tried to call a referendum to remove Mr. Maduro from office, but that was blocked by the electoral council. The opposition blames the left-wing policies of Mr. Maduro and his predecessor Hugo Chavez for the shortage of food and basic items, high inflation and violence. But Mr. Maduro says he will carry on in the next three years with his program of socialist reforms.

A French cardinal accused of covering up child sex abuse by priests has acknowledged that his diocese made some mistakes and that victims had a right to truth and justice. Cardinal Philippe made his statement after a meeting in Lyon of more than 200 priests who had heard from a victim of Bernard Preynat, a priest who has admitted sexually abusing young boys over 25 years ago.

Researchers have come up with a theory that bedbugs have favorite colors, red and black, and dislike white and yellow. The insects were placed inside Petri dishes and given a choice of different-colored bug size tents to hide in. The revelation could lead to better bedbug traps. That's the latest BBC world news.

乌克兰举行切尔诺贝利核电站30周年纪念仪式，它也是全球有史以来最为严重的核事故。1986年4月，首座核反应堆发生爆炸，警报也在同一时刻响起。请听汤姆·伯里奇为您从乌克兰发回的报道。这天清晨，人们点燃蜡烛，纪念仪式准备就绪。30年前的这一天，核电站4号机组突然发生爆炸。约3%强辐射物泄漏。接下来，乌克兰总统将参加另一场在切尔诺贝利举行的仪式，此次灾难也导致后来的苏联解体，政府政策和公众舆论对核能也有了重大改变。

就日趋严重的政治危机，伊拉克神职人员萨德尔呼吁巴格达集会示威。经过三周政治僵局，伊拉克议会决定对新内阁名单进行表决。请听艾哈迈德·马赫为您从巴格达发回的报道。自2003年萨达姆下台以后，伊拉克迎来最严峻政治危机。过去三周以来，总理阿巴迪提名无党派部长进入内阁，但遭到议会否决。因抗议其它代表阻止投票，甚至对议会议长投罢免票，自四月中旬以来，一百多名议员在议会举行静坐示威。

加拿大总理贾斯廷·特鲁多对处决人质极为愤怒，六个月前，加拿大人约翰·立兹戴尔曾在菲律宾遭极端组织绑架。当天早间，有人在一处岛屿街区发现立兹戴尔头颅，立兹戴尔曾经是一名采矿业高管。恐怖组织“阿布沙耶夫”曾索要高价赎金。棉兰老岛一直遭受恐怖组织威胁，据知情记者克里斯·阿尔贝斯表示，“阿布沙耶夫”策略发生了改变。他们变得更加有恃无恐。这也是他们第二次处决外籍人士。之前不会如此。这样的事情以前从未发生过。他们向我们证明，他们想怎样就怎样，索要赎金不成问题，而这也是我们打击恐怖主义的策略。

据英国研究表明，流感疫苗上午注射比下午更有效。据研究人员发现，抗原抗体反应在早上11点之前更加激烈。称注射疫苗应与人体本身“节奏”相协调，这样可以有助疫苗接种，也可挽救生命。研究对象为65岁以上老年人。BBC全球新闻。

就变性人权力限制法，北卡州数千人举行游行示威，支持与反对之声此起彼伏。据新法规定，在使用公厕和学校卫生间时，变性人需出示身份证，而非认同性别如厕。总统奥巴马和共和党候选人特朗普均表示新法具歧视色彩。

委内瑞拉反对派提交修宪提案，希望将总统马杜罗任期由6年缩减为4年，委最高法院对此给予否决。请听里昂那多·罗莎的报道。自去年12月议会选举以来，委反对派已占议会多数席位，并通过多种方式逼迫马杜罗下台。首先是要求举行总统罢免公投，但遭选举委员会反对。就国内食品匮乏，暴力事件频出，通货膨胀居高不下，反对派对马杜罗及前总统查韦斯的左翼政策表示不满。但据马杜罗表示，他将在未来三年继续施行社会主义改革。

法国天主教牧师性侵案曝出，法国主教承认教区隐瞒实情，并称受害人有权了解真相，有权获得公正的司法审判。在里昂市，主教与200多名牧师举行集会，听取牧师普雷纳性侵案并发表声明，普雷纳承认在25年前性侵男童。

据研究人员发现，臭虫喜欢红色与黑色，讨厌白色和黄色。研究人员将它们防止在培养皿内，让它们选择进入哪个颜色的帐篷。此发现可制作更加有效的臭虫捕捉器。BBC新闻。