<sod >Sinn FÃÂ©in leader Gerry Adams has reportedly been arrested in Northern Ireland in connection with the murder of Jean McConville in 1972.< eod>< sod > Sinn FÃÂ©in leader Gerry Adams has been arrested in Northern Ireland in connection with the murder of Jean McConville in 1972, according to the Police Service ofÃÂ  Northern Ireland.< eod>