4 killed in bomb attack targeting police in southeast Turkey

Turkey's state-run news agency says Kurdish rebels have detonated a bomb as a police vehicle was passing by, killing four people.
Anadolu Agency says 19 other people five of them police officers were injured in today's attack in the mainly-Kurdish town of Silopi. Some of them were in serious condition.
The Kurdistan Workers' Party, or PKK, has attacked police and military personnel with bombs since a cease-fire between the rebels and the government collapsed last summer. Turkey's security forces have launched large-scale military operations to flush out the rebels, including in Silopi.