A roadside bomb blast wounded 20 Egyptian policemen on Thursday as they travelled in a bus in northern Sinai where militants have launched deadly attacks against security forces

A roadside bomb blast wounded 20 Egyptian policemen on Thursday as they travelled in a bus in northern Sinai where militants have launched deadly attacks against security forces, officials said.
  
The attack on the outskirts of North Sinai's provincial capital of El-Arish targeted a bus carrying policemen who were on leave, medics and security officials said. The bomb was detonated by remote control, security officials said.
  
The 20 policemen and a civilian were wounded in the blast, health ministry spokesman Hossam Abdel Ghaffar said, adding that three of the wounded were in serious condition.
  
In a separate incident on Thursday morning, gunmen on a motorbike shot dead a police captain near his home in the Nile Delta town of Beni Sueif, south of Cairo, police said.