<p>British police said on Sunday they had released one of the two suspects in a knife attack on a train in Cambridgeshire.</p><p>Five casualties in the stabbing incident, which put 11 people in hospital, have now been discharged from hospital and one remains in a life-threatening condition, the police added. </p>
<p>British police said on Sunday they had released one of the two suspects in a knife attack on a train in Cambridgeshire.</p><p>Five casualties in the stabbing incident, which put 11 people in hospital, have now been discharged from hospital and one remains in a life-threatening condition, the police added. </p>