were going on in southend, full of enthusiasm for parliament, full of life. it's just a horrible shock. his senseless killing follows a series of attacks on mps all in their constituencies. in 2000 nigeljones, a liberal democrat, attacked with a sword. his aide andrew pennington died. in 2010 the labour mp stephen timms suffered life—threatening injuries — stabbed in the stomach, he survived. and in 2016 labour'sjo cox murdered, shot and stabbed while out during the referendum campaign. her killing happened as the nation argued over brexit. many worry that political debates are becoming increasingly polarised and social media has fuelled the trend, among them jo cox's sister, now an mp herself. it's really important that we get good people in public life, - but this is the risk— that we are all taking, you know,