more than 1,000 police officers raided dozens of properties in the state of hessen this morning. a 36—year—old tunisian man, who's suspected of recruiting for the islamic state group, was detained. a new trial to reform railfares will begin in may after train operators admitted that buying the right ticket could be baffling. the system will make sure that passengers pay the cheapest possible fares and avoid the need to split their tickets on longerjourneys. a former teacher has pleaded guilty to more than 40 charges of abusing children both in britain and overseas. mark frost, who's 70, pleaded guilty at the old bailey to offences including rape, indecent assault and making obscene images. prosecutors said the case was one of the most serious they had dealt with. a year since the world health 0rganisation declared zika a global emergency, scientists are now beginning to understand how it affects children. the mosquito—borne virus has caused almost 2,500 babies in brazil to be born with microcephaly, a condition identified by an abnormally small head. doctors now believe tha