The international community needs to provide double what it has pledged for the Mosul fallout, humanitarians warn.
The bombing shows the continued threat that the Islamist group poses to the Iraqi capital.
Washington has said that both sides should focus on fighting ISIS.
Monitoring group says at least 35 villagers were killed on the fifth day of a cross-border offensive.
The YPG is attempting to capture the last government areas in the northeastern city.
The U.S.-led coalition conducted shelling and air strikes against ISIS to aid the Peshmerga advance.
The deal was struck last year and parliament is set to ratify it.
The Turkish president said ISIS is "in joint action" with other militants.
Dean Evans' father confirmed his son's death last month in an offensive to capture Manbij.
Coalition forces are supporting Kurdish-led militias advancing against ISIS north of Raqqa.
A soft partition in Syria will only harm peace talks and, ultimately, the country's long-term future, writes Chatham House's Doris Carrion.
The Kurds have defied Ankara and Damascus by voting in favor of unilateral action.
Assad's government says Turkish military action in northern Syria supports "armed terrorist organizations."
Al-Shadadi is a key logistics hub for the group.
A triple suicide car bombing hit the village of Tel Tamer late Thursday.
Kerry also said the war in Syria could be weeks away from a major breakthrough.
The U.S. wants to arm the Kurds to open a second front against the militant group, but Turkey has other ideas.
Amnesty International said the YPG have forcibly displaced thousands of villagers in northeastern Syria.
18-year-old Thomas van Linge's maps show the changing faces of Iraq and Syria.
1,000 children are now enrolled in schools, but teachers say they draw pictures of fighting and beheadings.
Ivana Hoffmann, who was killed in northeastern Syria, joined Kurdish forces two or three months ago, officials said.
Germany is expected to send 100 military trainers to bolster Peshmerga resistance.
According to an observer group, the Kurds have taken back 80% of the town of Kobane
The former British soldiers have reportedly been fighting alongside the Kurdish forces
Iraqi peshmerga fighters headed for the Syrian town of Kobane to help fellow Kurds repel an Islamic State advance after finally getting the go ahead from Ankara