The “Israeli” Magistrate's Court in the northern Nazareth city has extended the detention of four Palestinian inmates, who had escaped from a high-security prison earlier this week, till Sept. 19, according to “Israeli” media on Sunday.

The “Israeli” General Prosecution had requested during a session held late Saturday to extend their detention for 13 days, but the court approved a 9-day extension, the state-owned KAN news TV reported.

“Israeli” police claim that the four Palestinians had allegedly planned to a carry out a "serious terrorist act", a crime that is punishable to 15 years in prison, according to Haaretz newspaper.

“Israeli” prosecutors accuse the four of jailbreak and incitement for others to escape from prison, a felony that is punishable to 20 years.

On Monday, six Palestinian inmates tunneled out of the high-security Gilboa prison in northern “Israel”. “Israeli” forces, however, have managed to capture four of them after a manhunt.

The remaining two are still in hide.

Palestinians have hailed the jailbreak as a “big victory”, while “Israelis” decried it as a major security and intelligence failure./agencies