BBC News. Hello, I'm Jerry Smit. After three days of sectarian violence in the Indian capital Delhi, the Prime Minister Narendra Modi—1—. These were his first comments since clashes —2— on Sunday between protesters—3— a citizenship law which critics say is anti-Muslim. At least 23 people have been killed. Patiture Godio reports from Delhi. In an appeal to the residents of Delhi, the prime minister asked citizens to—4— and said that the police and other agencies were —5—. This is the worst communal violence in the city for decades, for the majority Hindu and minority Muslim mobs engaging in pitched battles. There has been extensive damage to Muslim properties and businesses, many of whom were seen fleeing mixed neighborhoods. There has been growing criticism of the police and the government for not doing enough to stop the unrest. A military funeral is being held in Cairo for the former Egyptian President Hosni Mubarak, who died on Tuesday aged —6—. Dozens of Mr. Mubarak's supporters have gathered around the morse-coding placard, sparing his photograph and slogans in his praise. The authorities —7—. Mr. Mubarak was forced out of office by —8— in 2011 after 30 years in power. The front-runner in the Democrats presidential race in the US Bernie Sanders, has come under concerted attack from —9— in a bad temper television debate. They argued that choosing the left-wing Senator from Vermont to take on Donald Trump would cost the party the White House. Barbara Plett-Usher reports. Bernie Sanders walked onto center stage as the clear front-runner and the other candidates united against him in a raucous debate. His chief rivals, Joe Biden and Michael Bloomberg, put in decent performances. Mr. Biden had his —10—, and Mr. Bloomberg recovered somewhat from his shaky debut last week. The —11— of the clash reflected that candidates are running out of time to alter the trajectory of the nomination fight before 14 states vote on Super Tuesday next week. The —12— in Russia have detained two teenage boys —13— plotting to kill people at an educational institute in the city of Saratov, southeast of Moscow. The two were detained at an —14—. British scientists say they've discovered that babies brought up in —15— are faster in —16— between tasks. Researchers recorded the reactions of —17— when they were shown a succession of pictures. The scientists said the babies from bilingual homes were —18— quicker to notice when new pictures appeared —19—, suggesting the stimulus provided by regularly hearing more than one language help babies to —20—. BBC news.