A man signs a book of condolences in the Guildhall for the 29-year-old journalist Lyra McKee who was shot dead in Londonderry, Northern Ireland April 20, 2019. REUTERS/Clodagh KilcoyneNovo IRA assume responsabilidade pela morte de jornalista e pede desculpaNovo IRA assume responsabilidade pela morte de jornalista e pede desculpaMundo